What’s the difference between carbon paper that’s BLACK and carbon paper that’s WHITE?

Which of the following birds remained ancient looking in the miocene epoch? a. crows b. owls c. grouses d. none of the above

Which direction does the energy flow in this energy pyramid ?

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.