Question: Imagine that you wanted to study the correlated evolution of
bright plumage in birds that promisc…


Imagine that you wanted to study the correlated evolution of
bright plumage in birds that promiscuous versus monogamous. You
observe a group of 8 species of birds, named very interestingly
species A – H. You notice that species A, B, C, and D are
promiscuous and also have bright plumage. Species E, F, G, and H
are all monogamous with dull plumage. You hypothesize that
promiscuous mating habits selects for the evolution of more
colorful plumage.

Q: Draw a phylogeny of this group that would have strong support
the hypotheis above. Also, Draw a second phylogeny that doesn’t
show strong support for your hypothesis.

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