When skating how does the nervous system respond to a change in direction

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

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.