Differences.Exoskeleton1. Hard part that lies outside of the body2. Develops from ectoderm3. Composed mainly of hard non-living material called chitin.Endoskeleton1. Hard part that lies inside the body2. Develops from endoderm3. Composed of living material i.e. bone tissue SimilaritiesBoth endoskeleton and exoskeleton play a protective role. The endoskeleton protects internal body organs of the organism. The exoskeleton protects the soft body parts and appendages of the organism.Both endoskeleton and exoskeleton provide structural support and shape to the concerned organism.
how is an exoskeleton similar to an internal skeleton how is it different