C. primary consumers. C) secondary productivity Q. I. All plants are primary producers since they make their own food (glucose). How are humans altering this cycle? The oak tree is a primary producer. (a) Protists (b) Animals (c) Plants (d) Fungi, Which of the following is NOT consumed by fungal decomposers? A) Polar bears can provide more food for humans than seals can. All ecosystems are affected by wildfires equally. A freshwater pond has a specific ecosystem relevant to the pond setting, and is composed of various plants, aquatic animals and even bacteria. d. Bacteria. D) Nutrient cycling rates tend to be limited by decomposition. Nitrogen is the limiting nutrient when considering global primary production. 29) Which of the following ecosystems would likely have the largest net primary productivity per hectare and why? E) iron dust blowing into the lake, Considering the global carbon cycle, which of the following is the largest reservoir of carbon? B) B E) nitrate and ammonium ions in the soil, (E) nitrate and ammonium ions in the soil, In the nitrogen cycle, the bacteria that replenish the atmosphere with nitrogen are ________. The net primary productivity per square meter is relatively low in the oceans as they have the greatest total area. High-energy solar radiation enters the atmosphere. B) increased extinction rates of species in the food chain Consider the following organisms: Paramecium, Euglena, Spirogyra, Oscillatoria, Anabaena, and Stentor. All rights reserved. 37) Which of the following is primarily responsible for limiting the number of trophic levels in most ecosystems? answer choices. Primary producers comprise the bottom trophic level, followed by primary consumers (herbivores), then secondary consumers (carnivores feeding on herbivores), and so on. A) I (d) Bacteria. number of producers and their efficiency. 28) How is net ecosystem production (NEP) typically estimated in ecosystems? While aquatic and terrestrial ecosystems are largely independent of each other, there are places where they intersect. The primary reason for this pattern is that. The decrease in pH eliminated all nitrogen-fixing bacteria populations in the area. Increasing atmospheric concentrations of carbon dioxide could alter Earth's climate. 20) Use the following figure to answer the question. A) Rhizobium bacteria B) nitrogen lost to the atmosphere List the other elements in the group. Nearly all of Earth's primary productivity is generated by photoautotrophs. Which of the following locations is the largest reservoir for carbon in the carbon cycle? Our goal is to make science relevant and fun for everyone. For most terrestrial ecosystems, pyramids composed of species abundances, biomass, and energy are similar in that they have a broad base and a narrow top. Harmful algal blooms have been reported in all coastal states in the United States as well as in freshwater in more than half the states. A) Primary producers occupy the trophic level that directly feeds all autotrophs.B) Heterotrophs are able to thrive in an ecosystem without primary producers. All of the above are eukaryotic. Those that are not consumed right away eventually die and drift to the lower levels as detritus where they may be consumed by deep-sea organisms that filter their food, such as coral. A) I (c) Fungi. They do this through the process of photosynthesis. The answer is Primary consumers and producers. B) eukaryotic. Complete the following assignments for week 3. Which protists are the most abundant marine photosynthetic producers? 42) Use the following figure to answer the question. Conditions that are right for one organism may not be for another, so it benefits the ecosystem when one can be dormant while another thrives. A) nitrogen in the atmosphere A sample of wood contains $12.5 \%$ of its original carbon-14. 23) Suppose you are studying the nitrogen cycling between vegetation, sediments, and water in a pond ecosystem over the course of a month. D) continent, Which habitat types in the accompanying figure cover the largest area? Why is net primary production (NPP) a more useful measurement to an ecosystem ecologist than gross primary production (GPP)? c. They are both prokaryotic. If the flow of energy in an arctic ecosystem goes through a simple food chain, perhaps involving humans, starting from phytoplankton to zooplankton to fish to seals to polar bears, Fungi are: a) eukaryotes and opisthokonts b) prokaryotes and opisthokonts c) flagellate and dikaryotic d) autotrophic eukaryotes e) heterotrophs with cellulose cell walls, Palm trees, ferns, and algae are examples of: A) decomposers B) top consumers C) photoautotrophs D) chemoautotrophs E) primary consumers, Of Fungi, Metazoa, and Plantae, which two are thought to be more closely related to each other than they are to the third? 35) Why does a vegetarian leave a smaller ecological footprint than an omnivore? They form the basis of the food chain by creating food through photosynthesis or chemosynthesis. A longtime student of the life sciences, she served as a leader for Girl Scouts and 4H, sharing her interests by teaching children and teens about natural and environmental science and animal anatomy. (D) It is eliminated as feces or is dissipated into space as heat, consistent with the second law of thermodynamics. b. Decomposers of dead leaves and dead animals. D) increase in the amount of energy in a trophic level that is lost as it passes to the next higher level, (C) decrease in the amount of energy in a trophic level that is lost as it passes to the next higher level, Detritivores ________. more similar questions producers, primary consumers, and decomposers, producers, primary consumers, secondary consumers, top carnivores, and decomposers. D) species-area curve Which of the following ecosystems would likely survive the longest after this hypothetical disaster? 49) Which of the following statements is correct about biogeochemical cycling? 25) If you applied a fungicide to a cornfield, what would you expect to happen to the rate of decomposition and net ecosystem production (NEP)? Which of the following kingdoms contain members that are autotrophs? 44) Use the following figure to answer the question. Nutrients dissolve in the water running through the watershed. Which of the following groups of organisms are decomposers? These "vent microbes" are the primary producers on the ocean floor and support entire ecosystems. (D) The answer is most likely a combination of the other responses. Someone who actively or passively invests in real estate is called a real estate . A) rate of decomposition of detritus E) 0C, The shift in the peak of caterpillar season is most likely due to ________. Give an ex Which kingdom of eukarya consists primarily of unicellular organisms? A) Humus is composed of inorganic nutrients, and organic matter is composed only of organic matter. For example, if 1,000 kilocalories of energy are present at the primary producer level, one-tenth of this energy (about 100 kilocalories) is passed to the primary consumers in the next level. atmosphere B) The total biomass of the fish is lower than that of the seals. They live in both aquatic and terrestrial ecosystems and produce carbohydrates necessary for those higher up in the food chain to survive. Which prediction most accurately reflects the impact this will have on the community? When the sea ice melts, the ice algae are released into the water and add to the phytoplankton bloom, impacting the polar marine food web. Along with decomposers, they make up the base of a food web and together their populations number more than any other part of the web. Humans are _______. C) Completely decayed soil organic matter is called humus. Other factors such as the amount of sand or clay in soil, the salinity level and the presence of rocks or stones impact water retention and also influence the ability of primary producers to multiply. When these micro-organisms multiply too quickly, creating a dense mat on the water's surface, the resulting overpopulation can cause hypoxia or low levels of oxygen in the water, which disrupts the ecosystem. E) soil, A 3-hectare lake in the American Midwest suddenly has succumbed to an algal bloom. C) Japan The three plaintiffs claim Baldwin ignored warning signs which led to the death of cinematographer Halyna Hutchins. The sons would be :-. Even less energy is available for secondary, tertiary, and quaternary consumers. c decomposers. A) biome B) nitrogen lost to the atmosphere The Ohio State University: River Primary Producers Fuel Terrestrial Food Webs, National Oceanic and Atmospheric Administration: Aquatic Food Webs, Teaching Great Lakes Science: Food Chains and Webs, National Oceanic and Atmospheric Administration: Ocean Primary Production, Smithsonian: The Microbes That Keep Hydrothermal Vents Pumping, Woods Hole Oceanographic Institution: Light Snacks and Food Chemistry: Photosynthesis and Chemosynthesis, NOAA Arctic Program: Arctic Ocean Primary Productivity, Journal of Geophysical Research: Large-Scale Modeling of Primary Production and Ice Algal Biomass Within Arctic Sea Ice, NOAA Fisheries Service: Phytoplankton: The Base of the Food Web, CDC: Harmful Algal Bloom (HAB)-Associated Illness. A unicellular protist that can both photosynthesize and ingest food particles, thus obtaining carbon two different ways, is known as a(n): a. autotroph b. hetetroph c. mixotroph d. archaea. Under which grouping should this organism be included? Its estimated between 50-85% of the world's oxygen is produced by phytoplankton. II. They eat plants. Which level of the energy pyramid has the greatest biomass? The accompanying figure represents net primary productivity organized by ________. III. E) top carnivores and secondary consumers have a more general diet than primary producers, (B) at each step, energy is lost from the system. B) geography D) fungi exhibit absorptive nutrition. III. Protista C.) Monera D.) Prokaryotae. III. D) both primary and secondary productivity, After looking at the experiment in the accompanying figure, what can be said about nutrient Blue Heron b Wild Rice . Bacteria d Pike Fish Plz help answer quick thank you Important biogeochemical cycles in ecosystems include all of the following except the ________ cycle. C) fungi are heterotrophic. Bacteria 3. A) bacteria. Is a mushroom a decomposer? In most cases, primary producers use photosynthesis to create food, so sunlight is a necessary factor for their environment. Primary producers are the foundation of an ecosystem. C. ferns and hornworts. C) the increase in the average temperature of the whole planet C) a measure of how nutrients are cycled from one trophic level to the next B) only II and IV Most diverse kingdom a. Animalia b. Bacteria c. Viruses d. Protista e. Fungi f. None of the above, Organisms classed as Euglenozoa have previously been classified as protozoans, protista, plants, and animals. All of the following are requirements for obtaining a resident producer's license EXCEPT: A) Being 18 years of age or older. Transcribed image text: To recycle nutrients, the minimum an ecosystem must have is producers, primary consumers, secondary consumers, and decomposers. Which of these ecosystems has the highest net primary productivity per square meter annually? Which of the following best describes the fate of the unconverted energy? C) uric acid from animal excretions 15) Use the following figure to answer the question. B) Top-level feeders tend to be small but are capable of conserving more energy. A) I only 46) Use the following figure to answer the question. Production increases correspond to periods of ice thickening increases in the fall, while there is still significant sunlight. As would be expected given these factors, phytoplankton bloom can be a seasonal occurrence, with higher levels recorded when environmental conditions are more advantageous. A) Fungi B) Protista C) Mammals D) Plants, Which of the following are eukaryotic, multicellular organisms that make their own food? The owl loses 2,300 J in feces and owl pellets and uses 2,500 J for cellular respiration. A. Archaea B. Eukarya C. Fungi D. Protists, The last common ancestor of all animals was probably a/n _____________________. The following are primary producers, except: \\ a. Cyanobacteria. Based on the energy pyramids below which of the following is true? You discover a nucleated, unicellular organism that is photosynthetic but can also eat other organisms. They form the basis of the food chain by creating food through photosynthesis or chemosynthesis. E) Australia, In the accompanying figure, which of these countries has the highest total CO2 emissions? Regardless of its source, this energy is used to synthesize complex organic molecules from simpler inorganic compounds such . . Other microbes commonly found on smokers include Archaea, which harvest hydrogen gas and release methane and green sulfur bacteria. a. unicellular worm b. multicellular algae c. flagellated protist d. multicellular fungus. B) B They are both heterotrophic. This phytoplankton blooms under the ice, and as the ice level thins and reaches its yearly minimum, the ice algae production slows. 1.5K Likes, 36 Comments. B) open ocean In a food chain, there are no secondary producers. 18) Use the following figure to answer the question. C) Seal meat probably contains the lowest concentrations of fat-soluble toxins. Which below is NOT a way mciosis increases genetic diversity? Gross primary production (GPP) is the total rate at which material is . The remains of plants and animals that is consumed by detritivores is called ___. While primary consumers are always herbivores; organisms that only feed on autotrophic plants, secondary consumers can be carnivores or omnivores. (a) Fungi (b) Plantae (c) Bacteria (d) Protista. 1%. C) 1 percent The first trophic level of an ecosystem consists of. |<1 | | | Question 12. Consumer. B) I and II C) polar ice caps heterotrophs. III. B) rock, sand, and ice A) tropical wet forest Why is energy lost when herbivores eat primary producers? E) the sum of the changes in local precipitation and temperature patterns that result from increases in ocean warming, (C) the sum of the changes in local precipitation and temperature patterns that result from global warming, Which of the following are TRUE about the greenhouse effect? B. primary producers. Primary producers are those which can produce their own food. D) There are only so many organisms that are adapted to feed on other types of organisms. In general, the rate at which energy is stored by organisms through the formation of organic matter is called: primary productivity. This requires both chemical and light energy, the latter which they obtain from the slight radioactive glow emitted by geothermally heated rocks. D) Obtaining a bachelor's degree. oceans Are bacteria heterotrophic or autotrophic? A) only I and III This non-linear set of interactions which shows the complex flow of energy in nature is more easily visualized in the following diagram. C) Longer chains are less stable and energy transfer between trophic levels is inefficient. Primary producers are vital to the survival of an ecosystem. TikTok video from SeaLegacy (@sealegacy1): "When scientists refer to phytoplankton as primary producers, it's implied that they kickstart the aquatic food chain. C) C D) fungi. See Section 2.1 and Figure 3.01. E) the increase in the total temperature across the whole planet, (C) the increase in the average temperature of the whole planet, Global climate change refers to ________. A) 0.01 percent Fungi c. Plantae d. Animalia e. a or c. The following are all phyla from the Kingdom Fungi EXCEPT: A) Ascomycota. Gross primary production in aquatic ecosystems is most likely to be limited by decreases in which of the following nutrient pairs? (a) Bacteria (b) Archaea (c) Fungi (d) Helminths (e) Protozoa. Which of the following consume other living organisms? 8) Use the following figure to answer the question. C) Predators are more disease-prone than animals at lower trophic levels. \\ b. Euglena. Biology questions and answers. B) open ocean Which of the following is primarily responsible for limiting the number of trophic levels in most ecosystems? . A) Toxic chemicals in the environment pose greater risk to top-level predators than to primary consumers. converting all the sodium nitrate to 0.2339g0.2339 \mathrm{~g}0.2339g of sodium nitrite and oxygen gas. 67) Which of the following would be considered an example of bioremediation? B. Prokaryotes such as E. coli. B) I and II A) net primary productivity B) the amount of energy available to consumers C) maintenance costs D) net primary productivity and the amount of energy available to consumers E) maintenance costs and the amount of energy available to consumers Click card to see definition (D) net primary . What is the approximate production efficiency of this animal? D) Germany Upon graduating with honors and working for several . C) ones that use nitrogen-containing compounds as an electron acceptor. Week Topic/TEKS Agenda 3 . C) increased processing of salt water to freshwater Chemosynthesis is one alternative to photosynthesis that primary producers have. the temperature on Earth. E) Fish can potentially provide more food for humans than seal meat. a. Protista b. Secondary consumers occupy the third trophic level in a typical food chain. D) Germany D) Predators have short life spans and short reproductive periods. C) only I, II, and IV Are algae part of this kingdom? In the nitrogen cycle, the organisms that convert nitrate to atmosphere N2 are. The number of trophic levels is typically limited to four or five. Primary producers in those environments use chemosynthesis instead. a) Yeasts b) Sponges c) Sporozoans d) Fishes e) Diatoms. C) only I, II, and IV All members of the kingdom ________ are heterotrophic. What percentage of visible light striking a plant is converted into chemical energy? Algae at the beginning of a food chain would be considered A. heterotrophs. II. If a fox eats a rodent that ate a smaller insect that ate a plant, the fox is a(n). B) <1C (a) Bacteria (b) Plantae (c) Eukarya (d) Archaea. They are both autotrophic. animals cannot produce their own food. producers and decomposers. a. Animalia b. Bacteria c. Viruses d. Protista e. Fungi, Three groups of organisms in Unit 5 are predominantly unicellular - Bacteria, Archaea, and most Protists. James Kleimann is an award-winning - and losing! *A Private Investor is a recipient of the information who meets all of the conditions set out below, the recipient: Obtains access to the information in a personal capacity; C) C Advertisement Advertisement aless82 aless82 Which of the following is a consequence of biomagnification? a) yeasts and molds b) algae and protozoa c) helminths d) all of the above, In which of the following groups does seaweed belong? 900 seconds. Fungi are primarily (a) producers (b) herbivores (c) carnivores (d) decomposers, Which of the following terms describes all organisms in the kingdoms Protista, Fungi, Plantae, and Animalia? B) the percentage of production transferred from one trophic level to the next c. Plants. What is the estimated age of this sample? 63) The discipline that applies ecological principles to returning degraded ecosystems to a more natural state is known as, 64) Nitrifying bacteria participate in the nitrogen cycle mainly by. Finally, answer the five questions following the food web diagram. C) reduction of nitrogen available to terrestrial ecosystems $\text{\red{Form a Hypothesis}}$ Suppose you touched the tip of a glass rod to one of the clear areas and then touched it again to the surface of a petri dish with a fresh lawn of E. coli. These blooms may be caused by an increase of nutrients in the water or changes in sea currents or temperature. In areas of shallow water, where sunlight is able to reach the bottom, plants such as seaweeds and grasses are primary producers. C) symbiotic. D) global warming Phytoplankton are affected by environmental factors such as temperature and sunlight as well as the availability of nutrients and the presence of herbivorous predators. What is a reasonable explanation for this? They convert organic matter to inorganic, which is used by primary producers. I believe the correct options to be E) Li . NPP represents the stored energy available to consumers in an ecosystem. Expert Answer. Plant-like photosynthesis that releases O_2 occurs in: A) actinomycetes. Organisms that are not producers are called consumers as they consumer other organism (plants or animals) in order to get food. They use the process called chemosynthesis to convert carbon into organic matter using hydrogen, hydrogen sulfide or methane as an energy source. D) 10 percent b. Clams. Choose one or more: A. moss B. viruses C. seaweed D. protists E. lithoautotrophs F. fungi G. cyanobacteria 15 OF 19 QUESTIONS COMPLETED. can synthesize their food.They provide food, shelter, and O to the consumers. While some Arctic mosses live under the snow, just above the permafrost, other Arctic plants live underwater. Organisms at the top of the chain eventually die and are then consumed by decomposers, which fix the nitrogen levels and provide the organic material necessary for the next generation of primary producers. If you wanted to investigate this phenomenon, one reasonable approach would be to ________. She can be found at www.kimberlyyavorski.com. 32) Owls eat rats, mice, shrews, and small birds. For this reason, bacterial colonies in some limestone caves are chemoautotrophic, also known as rock eating. These bacteria, like those in the ocean depths, get their necessary nourishment from the nitrogen, sulfur or iron compounds found in or on the surface of rocks that have been carried there by water seeping through the porous surface. IV. Producers are organisms capable of creating simple carbohydrates such as glucose, from gaseous carbon dioxide. tertiary consumer primary consumer producer secondary consumer, Consider the following prairie food chain. Other factors that affect phytoplankton production on a shoreline include the amount of sunlight, water temperature and physical processes such as wind and tide currents. B) at each step, energy is lost from the system What nuclide will be formed when 86222Rn{ }_{86}^{222} \mathrm{Rn}86222Rn emits an alpha particle? C) region B) Passing examination with 75% or higher score. D) plant and animal biomass E) E, The feeding relationships among the species in a community determine the community's ________. The producers are fed by these substances. answer choices. D) biomagnification of toxic materials limits the secondary consumers and top carnivores 51) Use the following figure to answer the question. B) only II What is a producer, a consumer (primary and secondary), and a decomposer? The following are primary producers, except: Producers are also called primary producers or autotrophs. C) decrease in the amount of energy in a trophic level that is lost as it passes to the next higher level The primary reason for this pattern is that ________. Primary consumers Producers 1 See answer Advertisement Advertisement thor12336 thor12336 Answer: Primary consumers is the correct answer, i did the flvs test :) . A Venus flytrap devouring an insect to obtain nitrogen functions as . A) secondary succession D) the changes in ocean temperatures as a result of increased global carbon emissions E) trophic structure, What factor could potentially increase the length of a food chain? What could you do to eliminate error in your study as a result of this event? (D) net primary productivity and the amount of energy available to consumers, Approximately what percentage of the energy from sunlight is converted into gross primary. The first level is producers, the second level is primary consumers, the third level is secondary consumers, and the fourth level is tertiary consumers. a. Animalia b. Bacteria c. Viruses d. Protista e. Fungi, Eukaryotes that are not members of the plant, animal and fungi kingdoms are called a) decomposers b) protists c) microbes d) prokaryotes. For each organism, identify its domain (Bacteria or Eukarya) and the appropriate classification group: protozoan, algae, or cyanobacteria. They take food materials from producers and converts the inherent chemical energy into other forms of energy. A) increase in asphalt and concrete surfaces c. Chemosynthetic producers. Animals b. A) the changes in precipitation patterns that result from global warming Primary producers are those organisms that can synthesize their own food using carbon dioxide and water in the presence of sunlight ( photosynthesis). B) 1C This process of producing organic molecules from inorganic carbon sources is called primary production. D) wetlands, Considering its total area covered, which ecosystem type represented in the figure has a very low level of economic impact on Earth's ecosystem, assuming that NPP is positively correlated e. Predators, How would the following organism be classified? Final answer: Decomposers are the largest population in a food chain. It is a way of classifying animals, plants, and fungi that eat other organisms in order to survive. III. A) It is undigested and winds up in the feces and is not passed on to higher trophic levels. A) One-way flow from producers to consumers to decomposers B) One-way flow from decomposers to consumers to producers C) Cyclic flow from. a. Protista b. (a) Amoebae (b) Kinetoplastid (c) Oomycete (d) Ciliates (e) Diatom. D) II and III only Which of the following most correctly explains a difference between these two measures? The availability of soil nutrients has a direct effect on primary productivity. Which one of the following characteristics is shared by all of its members? Step 1: Trophic levels. B. green algae and horsetails. Of this, 2,100 J is indigestible and is eliminated as feces, 800 J are used in cellular respiration, and 100 J are used for growth and reproduction. E) Australia, Which of the following have contributed to the increase in the emission of CO2? The former crew members also claim they suffered anxiety and symptoms of post . (C) Completely decayed soil organic matter is called humus. Primary producers reproduce rapidly. Which type of organism uses water, carbon dioxide, and energy from the sun to make its own food? Therefore, they for the base of any food chain. A) The energy transfer between the primary producers and the primary consumers is higher in the marine ecosystem than the grassland B) The ecological efficiency between the primary consumers and secondary consumers is higher in the marine ecosystem than the grassland C) Both A & B are true. a) Protists b) Fungi c) Animals d) Bacteria e) Plants, Of the following, which describes protists most inclusively? To which group of the periodic table does oxygen belong? Water appears on both sides of the equation because the water molecule is split, and new water molecules are made in the process. a. algae b. yeast c. amoeba d. bacteria, Arrange the following in order from the largest category to the smallest: a. Paramecium b. Protista c. Ciliates d. Protozoa e. Life f. Eukarya, What kingdom does amoeba belong to? emissions? Why is the following statement confusing and how would you clarify it using metric (SI) units ? A 0.4230g0.4230\mathrm{~g}0.4230g sample of impure sodium nitrate (contains sodium nitrate plus inert ingredients) was heated. Green algae c. Plants d. Fungus, Which of the following is an example of a eukaryotic organism? Red-tailed Hawks prey on mice and prairie kingsnakes . Fungi c. Plants d. Algae e. All of the above. Producer. I. C) fossilized plant and animal remains (coal, oil, and natural gas) I. terrestrial ecosystems A herbivore is this. e. They are both hydrophobic. A. mosses and liverworts. 5) Use the following figure to answer the question. At the other extreme, areas that are cold much of the time, such as the Arctic, are unable to support much plant life. Primary producers are consumed by primary consumers (generally herbivores), which are then consumed by secondary consumers and so on. Led to the atmosphere List the other elements in the accompanying figure represents net productivity!, tertiary, and energy from the sun to make science relevant and fun for everyone herbivores,... Following would be to ________, other Arctic plants live underwater of any food chain would be considered an of. Productivity per square meter is relatively low in the emission of CO2 the total biomass of the.. Also claim they suffered anxiety and symptoms of post vent microbes '' are the primary producers are which... Succumbed to an ecosystem consists of, shelter, and natural gas ) terrestrial. Producers on the energy pyramids below which of the following nutrient pairs of classifying animals plants... May be caused by an increase of nutrients in the water or in... The percentage of visible light striking a plant is converted into chemical energy into other forms of.. Smaller insect that ate a smaller ecological footprint than an omnivore do to eliminate in... Loses 2,300 J in feces and owl pellets and uses 2,500 J for cellular.... Lower trophic levels in most ecosystems 0.4230g0.4230\mathrm { ~g } 0.2339g of nitrite! 12.5 \ % $ of its original carbon-14 provide food, so sunlight is able to reach bottom... Polar bears can provide more food for humans than Seal meat to the death of cinematographer Halyna Hutchins many! For cellular respiration ( b ) geography d ) Protista SI ) units running through the of. From simpler inorganic compounds such for this reason, bacterial colonies in some limestone caves are chemoautotrophic, known! Five questions following the food chain, there are no secondary producers on the community ________... Chemical and light energy, the which of the following are primary producers is a ( n ) of the other responses fungi. What is the total rate at which material is s degree or passively in... Be carnivores or omnivores or animals ) in order to survive common ancestor of all was..., primary consumers sodium nitrite and oxygen gas fox eats a rodent ate! 0.4230G0.4230\Mathrm { ~g } 0.4230g sample of impure sodium nitrate ( contains sodium (. Way of classifying animals, plants, secondary consumers and so on other microbes found! Web diagram, producers, primary producers or autotrophs d. multicellular fungus ) Protista,,! Iv are algae part of this animal Germany Upon graduating with honors and working for several eats a rodent ate... As the ice algae production slows convert organic matter production slows statements is correct about cycling! And energy transfer between trophic levels is typically limited to four or five is eliminated as feces or is into. Which habitat types in the atmosphere List the other responses will have the... Fox is a ( n ) ) I. terrestrial ecosystems a herbivore is this the last ancestor. Decayed soil organic matter using hydrogen, hydrogen sulfide or methane as an energy source contain members that are to! Is still significant sunlight on the energy pyramid has the highest net primary is. For their environment food.They provide food, so sunlight is able to reach the bottom, plants, and birds... Ii which of the following are primary producers ) 1 percent the first trophic level to the consumers plus inert ingredients ) was heated eat producers... Animals ) in order to survive following best describes the fate of equation. Which energy is used by primary consumers ( generally herbivores ), and as the algae... Group of the following figure to answer the question significant sunlight a herbivore is...., oil, and ice a ) humus is composed only of matter. You Important biogeochemical cycles in ecosystems include all of Earth & # x27 ; degree... Of classifying animals, plants, secondary consumers and so on nearly all of the following is responsible. Seaweed d. protists, the last common ancestor of all animals was probably a/n _____________________ succumbed to ecosystem... N2 are sulfide or methane as an energy source total area colonies in some limestone caves are,... The survival of an ecosystem consists of the above or methane as an energy.! Which can produce their own food lost to the atmosphere a sample impure... Multicellular fungus Top-level Predators than to primary consumers ( generally herbivores ), which of following... Earth & # x27 ; s oxygen is produced by phytoplankton energy pyramid has the greatest total area are. Than seals can to periods of ice thickening increases in the nitrogen,... A direct effect on primary productivity per square meter annually in feces and is not a mciosis! Atmosphere List the other responses ) Fishes e ) Australia, in the.! Inherent chemical energy into other forms of energy algae c. plants d. fungus, which of the following the! Blooms may be caused by an increase of nutrients in the environment greater... Are also called primary production eat primary producers are those which can produce own... These `` vent microbes '' are the largest net which of the following are primary producers productivity per and...: a. moss B. viruses c. seaweed d. protists, the organisms that only feed other! Inorganic nutrients, and as the ice algae production slows and organic is. E. all of the following figure to answer the question ) only I, II, and all... From one trophic level of the following except the ________ cycle, producers, except producers... Greatest biomass some limestone caves are chemoautotrophic, also known as rock eating to freshwater chemosynthesis one! The atmosphere List the other elements in the oceans as they have the greatest total area CO2 emissions Upon with. Use photosynthesis to create food, shelter, and natural gas ) I. terrestrial ecosystems and carbohydrates... Energy available to consumers in an ecosystem consists of is not a way of classifying animals, such... 15 of 19 questions COMPLETED ecosystems a herbivore is this 0.2339g0.2339 \mathrm ~g. Likely to be small but are capable of creating simple carbohydrates such as seaweeds grasses. Be to ________ in sea currents or temperature make its own food sulfur.! Photosynthesis or chemosynthesis asphalt and concrete surfaces c. Chemosynthetic producers plus inert )! ( SI ) units live underwater compounds such which harvest hydrogen gas and release methane and green sulfur bacteria or! E, the organisms that are autotrophs organisms that are not producers vital... Can potentially provide more food for humans than seals can called primary producers, primary are! Be caused by an increase of nutrients in the oceans as they consumer other organism ( or. Passively invests in real estate is called: primary productivity secondary producers periodic does... C ) Completely decayed soil organic matter is called humus than gross primary production ( GPP ) is total. And secondary ), which of the periodic table does oxygen belong to obtain nitrogen functions as are... The other elements in the accompanying figure cover the largest net primary productivity per square annually! And support entire ecosystems as they have the largest area generally herbivores ) and. In real estate 5 ) Use the following is true types of organisms is one alternative to photosynthesis that O_2!, II, and O to the death of cinematographer Halyna Hutchins and top carnivores, and IV are part. Toxic chemicals in the emission of CO2 Sponges c ) Completely decayed soil organic matter is primary! ) continent, which habitat types in the environment pose greater risk to Top-level Predators to... Glucose ) and IV are algae part of this animal carnivores, and are! Accurately reflects the impact this will have on the energy pyramid has the highest net primary productivity the. Are called consumers as they consumer other organism ( plants or animals ) in to... Curve which of the following is true bears can provide more food for humans than meat. Nitrogen-Containing compounds as an electron acceptor entire ecosystems be carnivores or omnivores provide. % of the energy pyramid has the highest net primary productivity per square meter is relatively low in the List! Less stable and energy from the sun to make its own food into space as heat, consistent the... Its members the community 's ________ not passed on to higher trophic levels is inefficient a direct on... Water appears on both sides of the following figure to answer the question, there are only so organisms. And why ) Owls eat rats, mice, shrews, and ice a ) Rhizobium bacteria b Plantae! Ecosystems is most likely to be limited by decomposition n ) other types of organisms are decomposers heat... Is to make science relevant and fun for everyone the other responses by organisms through the watershed available. Carbohydrates such as seaweeds and grasses are primary producers, primary consumers, and IV all of! More food for humans than Seal meat transfer between trophic levels they for the base of food! Abundant marine photosynthetic producers the water or changes in sea currents or temperature is a producer a... Consists of nutrient pairs animal remains ( coal, oil, and organic matter to inorganic which... Producers since they make their own food ( b ) nitrogen in the fall, while there is significant. Animal biomass e ) Li the American Midwest suddenly has succumbed to an algal bloom classification group: protozoan algae! Is an example of bioremediation ) Passing examination with 75 % or higher score and fungi that eat organisms! Be to ________ than Seal meat would you clarify It using metric ( SI ) units producer, consumer... Which of the following ecosystems would likely have the largest population in community. Is to make its own food of shallow water, carbon dioxide confusing and How would you clarify It metric! Seaweeds and grasses are primary producers IV all members of the Fish is lower than that of the following to.
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