What ecosystem are you talking about ?
The four polysaccharides are glycogen, starch, cellulose, and chitlin. You consume them. They are sometimes artificially made or produced by your body.
Yes they will have to learn about the other branches of biology so that they can have more background knowledge on evolution and can also have facts to back the fact that evolution is true
Answer:
I believe it is the plasma in our bloodstream
Explanation:
plasma holds most of the nutrients in our body and flows in our blood transporting them through our body.
I think it's the nucleus. Isn't the nucleus the brain of the cell?