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Author Question: In the evolution of whelk-eating behavior in crows, which of the following was o (Read 402 times)

penza

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on: Oct 27, 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


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Marked as best answer by Celeste on Sep 1, 2019

Celeste

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Reply #1 on: Sep 1, 2019
C


penza

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Reply 2 on: Oct 27, 2013
Gracias!

upturnedfurball

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Reply 3 on: Yesterday
Excellent

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