The interior of a cell is called the

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

What is the difference between a meteoroid and a meteor?

You find a fossil that you are sure shows evidence of bipedalism. you know this because which of the following anatomical traits is present? a. thighbones that angle in toward the knees b. a narrow pelvis c. opposable hallux d. posterior position of the foramen magnum