Name the heaviest flying bird of prey.
a. emu
b. condor
c. ostrich
d. bald eagle
e. peregrine falcon

What causes darkening of the skin as melanin production increases

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

Select all that apply. why are common names not a good reference to a species? common names can be in different languages common names vary with location common names vary with culture common names vary with species color