AP Bio Chp 54 MC - AP Biology Chapter 54 Multiple Choice...

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AP Biology Chapter 54 Multiple Choice Questions 1. Which of the following is a primary producer? (p. 1199) detritivores shrimp poison ivy lions humans 2. The main decomposers in an ecosystem are _____. (p. 1200) plants and animals prokaryotes and animals fungi and prokaryotes prokaryotes and plants plants and fungi 3. When you eat an apple, you are a _____. (p. 1199) primary consumer carnivore primary producer secondary consumer tertiary consumer 4. In an ecosystem, the _____ is always greater than the _____. (p. 1200) number of primary producers . .. number of primary consumers biomass of secondary consumers . .. biomass of primary producers
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energy used by primary consumers . .. energy used by secondary consumers biomass of primary producers . .. biomass of primary consumers energy used by primary consumers . .. energy used by primary producers 5. The biggest difference between the flow of energy and the flow of chemical nutrients in an ecosystem is that _____. (p. 1200) the amount of energy is much greater than the amount of nutrients energy is recycled, but nutrients are not organisms always need nutrients, but they don't always need energy nutrients are recycled, but energy is not organisms always need energy, but they don't always need nutrients 6. Herbivores are _____. (p. 1199) primary consumers secondary consumers producers decomposers detritivores 7. Photosynthetic organisms are called __________. (p. 1199) autotrophs heterotrophs herbivores carnivores consumers 8. In an ecosystem, all incoming energy will eventually be _____. (p. 1200) transferred from one trophic level to the next transferred to the decomposers radiated from Earth as heat energy
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used in photosynthesis all of the above are correct 9. In general, the biomass in an ecosystem will be greatest at the trophic level comprising _______. (p. 1200) producers herbivores primary consumers tertiary consumers secondary consumers 10. The rate at which producers convert solar energy to the chemical energy of organic compounds, minus that lost in respiration, is called __________. (p. 1200) biomass standing crop biomagnification net productivity gross primary productivity 11. A study of metabolic rates in a terrestrial community showed that the energy released by respiration exceeded the energy captured in photosynthesis. Which one of the following situations is most likely? (p. 1200) Community biomass is decreasing. Community biomass is increasing. A climax community has been reached.
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AP Bio Chp 54 MC - AP Biology Chapter 54 Multiple Choice...

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