Question

What is exoskeleton?

Answer 1

its the type of skeleton that's outside the body..
ex.: snail

Answer 2

exoskeletion is the external skeletion system that supports and protects an animal's body, in contrast to the internal skeleton endo skeleton of, for example, humans. Larger kinds of exoskeletons are known as "shells". Examples of exoskeleton animals contain insects (cockroaches,grasshoper) and as crabs and lobster. The various groups of shelled mollusks contain of snails, then,shall,nautilus are also exoskeletons.