Find the number of species, immigration rate, and extinction rate on each of the island types using the MacArthur and Wilson island biogeography model. 1: Close and Small
2: Far and Small
3: Close and Large
4: Far and Large

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

If animal agriculture was eliminated, how much grain would become available for human consumption?

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.