Chitin as exoskeleton found in:

Question

Chitin as exoskeleton found in: (A) Periplaneta (B) Ascaris (C) Pheretima (D) Hydra

Tardigrade Admin · Accepted Answer

A thick and strong chitinous cuticle covers the whole body of cockroach as an exoskeleton.

Q. Chitin as exoskeleton found in: