Over time why does natural selection continue to work

What is the name of the type of cell division that occurs in the prokaryotic cell cycle

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

List the types of enzymes an their function. bio 101