Bones of the reptiles are covered by _____?

رینگنے والے جانوروں کی ہڈیاں _____ کے ذریعہ احاطہ کرتی ہیں؟

Calcium

Chitin

Keratin

None of these

In reptiles, keratin forms the outer covering of scales, claws, and shells (e.g., turtles).

This protein provides protection and prevents water loss.