Answer:
Explanation:
Fish have scales for many reasons. Firstly, to protect the skin of the fish from attacks from predators, parasites and other injuries. Secondly, scales overlap each other in the same way that an armour would protect a person. Hence, providing a layer of protection for the fish.
Answer: electromagnetic (light) energy and thermal energy
Explanation:
Pretty much the roots suck the water up like a straw. (The property responsible for this is unknown to me).
Answer:
A. hairs on the back stand up when scared
Explanation:
B and C are not responses to stimuli, and D is a response to internal stimuli
