John james audubon and henry david thoreau had an important influence over the

a. formation of conservation organizations
b. setting of standards for veterinary practice
c. campaign to eradicate bioterrorism
d. early development of vaccines

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? the wings are analogous structures that evolved differently and do not have a similar internal structure. the wings are homologous structures that evolved differently and do not have a similar internal structure. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. wings of bats are vestigial structures, but the wing structures of birds are not vestigial.

What are the three types of counseling established by marine corps policy?

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -