Question

Define exoskeleton and endoskeleton.

Answer 1

Exoskeleton is present on the outside of the body. To allow movement, an external skeleton is made up of many jointed pieces, similar to a suit of armour, with strong solid sections protecting delicate organs. The basic material of exoskeleton is chitin. The muscles which bring about movement are attached inside the skeleton.

Endoskeleton is an internal skeleton, encased within the body tissues. Vertebrate skeletons are made of living material, either-cartilage or bone, which can grow as needed by the organism. A variety of joints make a whole range of movements possible.