The correct answer is Breath air. Reproduciton, homeostasis, and burrow digging, are not necessary for the survival of a single animal.
As the only homosexual in my family I will gladly give some points I learned in physics.
in order to create children there has to be a male and a female the sole purpose of human beings and anything in general is to reproduce so the mind putting give you the trait to not reproduce consciously.
Speed. Reaction. Function. Alter.
Hello!
They are called producers because they're able to produce their own food by the process of photosyntessis.
Small, highly concentrated cell organelles that produce proteins are called <span>ribosomes. Ribosomes can be free-floating or attached to endoplasmic reticulum.</span>
