Which of the following statements describes the outer planets of the solar system? a. the outer planets have extremely large gravitational forces. b. the outer planets would be good candidates for human colonization. c. the outer planets have no natural satellites. d. the outer planets contain no solid material.

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.