This interesting and engaging lesson will help your student learn all about Crustaceans, Mollusks, and Cephalopods. You will learn about various aquatic animals that fit in this classification including: crabs, lobsters, barnacles, bivalves, clams, octopus, squid, and more. Learn which of them can go a whole year without eating in cold water, which grow their own shells, what beautiful seashells come from which ocean animals, how some can change colors within seconds, who produced die, and so mu