What do all mollusks have in addition to a muscular foot and a mantle?

Use this diagram of an animal cell to answer the question. where does the first stage of cellular respiration occur? w x y z

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

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.