One is immune system.
Answer:
the balance is everything must have a process of living and dying in an ecosystem. such as, an animal killing another animal for prey to eat it, that is a process. in a water ecosystem, fish lay eggs and come out and usually get eaten by a bigger animal, as they grow up, usually by bigger fish itself such as the Grayling.
Explanation:
What are people's favorite colors? How does the color purple make people feel? Something like that
It happens in glycolysis. It gets broken down into two pyruvates and it happens in the cytoplasm.
