MrNobody101 MrNobody101
  • 13-09-2022
  • Advanced Placement (AP)
contestada

At each level of the food chain, what happens to about 90% of the energy? A) gained as energy B) lost as heat C) converted into unusable compounds D) excreted as waste

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v4lth3l0v3r v4lth3l0v3r
  • 13-09-2022

Answer:

It's B) Lost as heat

Explanation:

Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level. A food chain can usually sustain no more than six energy transfers before all the energy is used up.

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