Natural selection. Have you heard of his finch studies? That will help you to understand natural selection if you need help.
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:
heterotrophs
Explanation:
they cannot make food on their own.
