B. skeletal and nervous system
Answer:
because we get energy from plants
Explanation:
One statement that could disprove this theory is the fact that, according to the cell theory, all cells come from pre-existing cells. This basically means that cells can't just appear from nowhere; they have to come from another cell. Based on what we know today from scientific research, is there another law or statement that you could come up with to help disprove the theory? Hope this helped! :)
Answer: an animal that is hunted and killed by another for food.
Explanation: