Question

Differentiate between endoskeleton and exoskleton.

[Review question: Pg. No: 231]

Answer 1

Endoskeleton	Exoskleton
1.It is the skeleton found inside the body.	1.It is the skeleton found on the exterior layer of the body.
2.It originals from mesoderm.	2.It originals from embryonic ectoderm or mesoderm.
Example: Human beings.	Example: Scales of fish and feathers of birds.