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AP Biology/Unit 8: Ecology
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Size Metabolism and Trophic Energy Flow
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What is the relationship between an organism’s size and its metabolic rate per unit body mass, and how might this impact energy flow through trophic levels?

A

Organism size has no significant impact on metabolic rate per unit body mass, thus not affecting energy flow through trophic levels

B

Smaller organisms have higher metabolic rates per unit body mass, leading to faster energy turnover and potentially more efficient energy transfer between trophic levels

C

Metabolic rate per unit body mass increases linearly with organism size, causing uniform energy transfer efficiency across all trophic levels

D

Larger organisms have higher metabolic rates per unit body mass, resulting in greater energy retention within higher trophic levels

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