In England, after the trees changed from light to dark, what happened to the color of the moths over time?
More black moths than white moths appeared.
Grey moths developed.
The smoke stained the moths changing their color.
More white moths than black moths appeared.

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system

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.

The (blank) states that all loving things are made of cells.