A crustacean’s human body is shielded by a hard exoskeleton. Many crustaceans Have a very carapace (difficult shell), which is part of the exoskeleton. The crustacean has got to get rid of the exoskeleton to be able to mature.The fossil file of animals goes back again about 600 million years to your Ediacaran period, or fairly earlier.A lot of th… Read More