The kinetic energy that occurs when your hands are rubing together
The legs of an insect are used to taste things walk jump and climb.
wings are for flying and sometimes camouflage
The mouth parts are for piercing and sucking their prey
Answer:
They typically have a tough, spiny surface, which inspired their name (in Greek, echinos means “spiny” and derma means “skin”). They also have the unusual ability to regrow lost body parts, and sea stars and brittle stars can regrow arms if broken off or eaten
Explanation:
That answer would be A. nucleus