Before cells can divide what must be copied?

What are two reasons for why a species might disappear from the fossil record?

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.

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone