The worldwide distribution of sickle gene matches very closely to the worldwide distribution of malaria. what is the significance of this

What happens when a magniseum ion ia atracked to a chlrene ion

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.

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.