Peacocks (the males) have very long feather trains, while peahens (the females) do not. why don’t the feather trains just get longer, and longer, and longer every generation? what would happen if the females preferred feather trains that gave the males the best or most efficient flying ability? this chapter deals with genetic variation and natural selection.
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Biology, 22.06.2019 19:30, tlester2005
All other things being equal the size of a population will decrease if
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