Which environmental changes occur faster?

a. volcanic eruption

b. regrowth of forest after volcanic eruption

c. pond succession

d. decomposition of a tree

Which of these best describes wde by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm

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

The backbone of the double helix has an alternating molecules. what do you call these alternating molecule?