Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 31.4, Problem 3CYL
Summary Introduction
To explain: The reason why it is better to allow human use of reserves rather than prohibiting it.
Introduction: An ecosystem includes a community of living creatures that live in harmony with each other and with other non-living components. The living components include biotic factors while the non-living components are the abiotic factors. An ecosystem is often controlled by several external factors like climate and internal factors like competition and decomposition.
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Chapter 31 Solutions
Biology
Ch. 31.1 - describe the goals of conversation biology?Ch. 31.1 - Prob. 2CYLCh. 31.2 - Prob. 1HYEWCh. 31.2 - Prob. 1CSCCh. 31.2 - Prob. 1CYLCh. 31.2 - Prob. 2CYLCh. 31.3 - Prob. 1TCCh. 31.3 - Prob. 2TCCh. 31.3 - Prob. 1CSCCh. 31.3 - Prob. 3TC
Ch. 31.3 - Prob. 4TCCh. 31.3 - define mass extinction?Ch. 31.3 - explain why biologists fear that a mass extinction...Ch. 31.3 - Prob. 3CYLCh. 31.4 - Prob. 1TCCh. 31.4 - Prob. 1CSCCh. 31.4 - Prob. 1CYLCh. 31.4 - Prob. 2CYLCh. 31.4 - Prob. 3CYLCh. 31.5 - Prob. 1TCCh. 31.5 - describe the principles of sustainable...Ch. 31.5 - Prob. 2CYLCh. 31.5 - Prob. 3CYLCh. 31 - Which of the following is not a major threat to...Ch. 31 - Prob. 2MCCh. 31 - Prob. 3MCCh. 31 - Prob. 4MCCh. 31 - Prob. 5MCCh. 31 - Prob. 1FIBCh. 31 - Prob. 2FIBCh. 31 - Prob. 3FIBCh. 31 - The smallest population of a species that is...Ch. 31 - A popular saying tells us that We do not inherit...Ch. 31 - Prob. 1RQCh. 31 - Prob. 2RQCh. 31 - Prob. 3RQCh. 31 - Why are efforts to protect monarch butterflies a...Ch. 31 - Prob. 1ACCh. 31 - Search for and describe some examples of habitat...
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- Organisms at the first trophic level ________. a. capture energy from a nonliving source b. are eaten by organisms at lower trophic levels c. are shown at the top of an energy pyramid d. are consumersarrow_forwardThe process whereby oxygen is depleted by the growth of microorganisms due to excess nutrients in aquatic systems is called _________. a. dead zoning b. eutrophication c. retrophication d. depletionarrow_forwardOrganisms at a higher trophic level have less energy available.comment.arrow_forward
- Explain why there are differences in the efficiency of energy transfer between trophic levels. Explain what happens to the energy which is not transferred to the next trophic level in a food chain when one organism feeds on another.arrow_forwardAt which point in the trophic pyramid is the greatest arount (not percentage) of energy lost? A) Between the primary producers and the primary consumers B) Between the primary consumers and the secondary consumers C)Between the secondary consumers and the tertiary consumers D) Between the secondary consumers and the primary producersarrow_forwardDescribe the functions of producers, primary consumers, secondary consumers, and decomposers in an ecosystemarrow_forward
- How much energy is passed from one trophic level to the next? Explain why.arrow_forwardAvailability of energy is less for entities at higher trophic levels.Why?arrow_forwardExplain why energy flow in the ecosystem is unidirectional; while nutrients movements in the ecosystem is cyclical.arrow_forward
- The total amount of energy taken up by producers through photosynthesis in an ecosystem is known as...? Group of answer choices a. evaporation b. net primary production c. standing crop d. nutrient limitation e. gross primary productionarrow_forwardIn the Nutrient Energy Ecosystem define the important players of this system.arrow_forwardIn trying to protect and conserve natural resources, it is advisable to identify which resources are renewable and non-renewable. Which should have stricter conservation rules, renewable or nonrenewable resources? Why?arrow_forward
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