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Author Question: In the evolution of whelk-eating behavior in crows, which of the following was o (Read 357 times)

strangeaffliction

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on: Oct 26, 2013
In the evolution of whelk-eating behavior in crows, which of the following was optimized through natural selection?
A) the average number of drops required to break the shell
B) the average height a bird flew to drop a shell
C) the average total energy used to break shells
D) the average size of the shells dropped by the birds
E) the average thickness of the shells dropped by the birds


Celeste

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Reply #1 on: May 30, 2019
C


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