What is the main purpose of aquaculture? a) to develop new species of animals. b) to provide a food source for humans. c) to preserve the aquatic environments. eliminate d) to ensure that breeding populations are maintained.

How does natural selection change thephenotypes within a population over time?

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

Which feature of a human community is similar to a niche in a biological community