Early as the 9th century, it was suggested when organisms change, they may be better able to .

reproduce
find a home
adapt to survive

Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic.

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