The octopus is a type of mollusk found in oceans. The body plan of this cephalopod is described and illustrated. Diet, movement, intelligence, and many other interesting characteristics of octopuses are discussed.
Rebecca Woodbury Boeken
Sharks are fish and live and swim in water. The skeleton is made of light and flexible cartilage. Sharks range in size from very small to huge. Some lay eggs and some have live births. Sharks don't hunt humans but some will bite people.