Not sure if you still need the answer but its number Three, they are the decomposers in many ecosystems
Answer:
The nucleus
Explanation:
The nucleus contains chromosomes that contain genes
Answer:
pollution I took the quiz
If i am right can i plz get brainiest?
Answer:
We use models in order to represent Earth's processes on a smaller scale so that it is easier to study them. ... Changes in any part of the Earth's system affects all other spheres.
Some life cycles are the same like complete and incomplete metamorphosis.