Transport protein that provides a tube-like opening in the plasma membrane through which particles can diffuse is used during active transport but not passive transport process by which a cell takes in material by forming a vacuole around it

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.

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?

What is the purpose of a punett square? a: finding the number of offspring people can haveb: predicting the outcome of genetic crosses c: finding how many genes a person has d: predicting the outcome of a coin toss (i think it's b or c but i'm not sure)