Which group can best be described as a population?

Secondary pollutants are more harmful than primary pollutants. select the best answer from the choices provided ot of

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.

What are the student's observations and inferences before he starts his investigation?