Which of the following is the adaptation that allows animals to survive in high altitudes, which contain lower levels of oxygen?

a. migration

b. higher levels of hemoglobin

c. insulating feathers

d. higher body temperatures

Which of the following statements is considered true of Neanderthals? A. They had some system of religious beliefs about afterlife. B. They evolved into homo sapiens. C. They had smaller brains than homo sapiens (modern humans). D.

In which cellular location do the majority of the reactions of the citric acid cycle take place?

Why is the genetic code called a universal code

Wha is formed from both inherited alleles

People with type ab blood are considered the "universal recipient" for transfusions because their blood is plentiful in a and b antibodies. they are usually rh negative. their blood lacks a or b antibodies. their blood cells lack a and b antigens.

According to the activation-synthesis theory of dreaming, the source of a dream is neuronal firing in

A mother sleeping in the middle of the night nevertheless responds when she hears her 2-year-old daughter crying in the adjacent bedroom. This indicates that the mother possesses:

How can farmers keep topsoil on their land? check all that apply. a. close their gates b. keep plants growing c. plant trees to shield fields from the wind d. do not plow when extremely heavy rains are expected?

Measures how much matter is present in a substance

How is artificial selection similar to natural selection?