its an ecosystem every living thing in this planet is in one.
MITOSIS results in the formation of a new cells with a full set of chrimosomes
Carnivores (meat eaters): lion, wolf, polar bear. herbivores (plant eaters): cows, beaver, deer. omnivores (both meat and plant eaters): bears, humans, hedgehogs.
U(uracil) and A(adenine); C(cytosine) and G(guanine)
Hope this helps:)