Which of the following food chains will allow the most energy to be available for human use?

a. corn ? cow ?humans
b. corn ?humans
c. algae?minnows?fish?humans
d. alfalfa?cow?milk?humans
e. corn?hen?eggs?humans


B; Whenever energy flows from one trophic level to another energy is lost to the system. Therefore, the most energy will be available to humans if they eat producer and minimize energy transfer.


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Biology & Microbiology

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