Answer:
central nervous system
Explanation:
The central nervous system is made up of the brain and spinal cord which carry out the function of processing information about the environment using the five senses and sends out your bodies response. such as if your finger touched the hot stove, that signal gets sent to your brain which sends a signal to your spinal cord telling your arm to pull away from the hot surface
Answer:
overpopulation and it because harmful and hard to control and possibly will diminish the number of normal fishes by killing them with their dangerous life threatening spikes
The answer might be b....I’m probably wrong but I tried