Did natural selection act on beak depth in the finch population between 1977 and 1978?
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The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above