What is the structure of prokaryotic cells?
A The DNA is wrapped in a protective membrane.
B The DNA is many separate strands.
C The DNA is one endless loop.
D There is no DNA in prokaryotic cells.

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.