The main selective pressure for dark skin in equatorial areas is due to _________________

The survival of mammals at the end of the Cretaceous was linked to the fact that they were arboreal nocturnal insectivores, as were the earliest most primitive primates.

Which of the following primate groups apparently uses sexual behavior to manipulate relationships rather than to increase reproductive rates?

Which of the following is NOT skeletal evidence that a fossil is bipedal?

Old World monkeys known as cheek-pouch monkeys, because of hamster-like pockets in their mouths that allow them to store food, tend to be more arboreal and primarily consume leaves. 

Neandertals were the first species to leave Africa

Homo erectus is known for all of the following “firsts” EXCEPT which one? (choose the false answer)

The locomotor pattern exhibited by this gorilla below, and shared by chimps, is known as ______________________________.   

Compared to prosimians, anthropoids generally  ___________________.

The form of locomotion being exhibited by the gibbon here is called: