Explain 3 main steps in the process of dna replication

Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above

Photosynthesis converts light energy to chemical energy. which molecules are the end product of this transformation of energy in this reaction?

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.