Some of the first organisms to show cephalization were
octopuses
jellyfish
flatworms
sponges

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.

Which is the best example of plant tissue? the answer is d (just took the test)

Pulmonary arteries carry highly oxygenated blood. true or false?