Afertilized egg has what the number of chromosomes as the body cells of the parent

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

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.