Which of these provides evidence from development biology of a shared evolutionary history ?

How many types of rock can form from the rock cycle

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.

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.