Diversity among members of a species is important because diversity a
increases the chances of survival under changing conditions.
b
ensures high levels of competition.
c
increases the available ecosystem resources.
d
ensures the variety of reproductive methods for a species.

Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.

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 of the following accurately describes the correct order of events in the process of transpiration within a plant? a. water enters the roots, passes through the leaves, and leaks through the stem pores. b. water enters the roots, gets transported through the stem, and evaporates through the leaves. c. water is absorbed through the leaves, is transported through the stem, and nourishes the roots. d. water is absorbed through the leaves, nourishes the roots, and leaks through the stem pores.