That would be the nervous system.
Answer:
The answer is natural selection.
Explanation:
Natural selection will make an organism to survive and reproduce because, it will be better suited to the environment.
This is the reason why natural selection is considered as a key mechanism of the evolution.
Hello There! ^_^
Your question: What type of biological molecule does the body use for long-term energy storage..?
Your answer: Lipid is biological molecule that the body uses for long- term energy storage.
Hope this helps!
Humans get amino acids from protiens in the food we eat. As we digest the food, the enzymes in our stomach and small intestines break down proteins into small amino acids. So technically, we do not make amino acids, we get amino acids from eating food high in protiens.