Difference Between Endoskeleton And Exoskeleton

Endoskeleton and Exoskeleton are the parts of the body of living organisms which possess a body with a complicated network of various organs. The hard part which is the internal support of the structure is called endoskeleton. It is developed from endoderm and is called a living structure. Some examples of endoskeleton are cartilage, bone, etc. The hard part present outside the body which protects the soft tissues and muscles is called exoskeleton. It is developed from ectoderm and is mostly called a non-living structure. Some examples of exoskeleton are hair, feather, scales, horns, etc.

Difference Between Endoskeleton And Exoskeleton

Properties Endoskeleton Exoskeleton
Meaning Refers to the internal skeleton Refers to the external skeleton
Found Vertebrates Arthropods
Structure Living Nonliving
Develops from Endoderm Ectoderm
Made of Phosphorous and calcium Calcified shells, scales, cuticle
Presence Inside the body Outside
Grows with the body Yes No
Flexibility More Less

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