The circulatory system helps the excretory and digestive system do their jobs because the waste from the blood in the circulatory system is eliminated from the body through the excretory system, and the nutrients absorbed by the digestive system are transported through the blood.
Answer:
Yes.
Explanation:
Cell division & differentiation also happens in animals and plants, and is not limited to just human beings.
Starvation.
Disease.
Weather.
Lack of mate.
Offspring dying.
Hunting.<span />
Answer:
producing ore of your own
Explanation:
offspring is from an animal or plant, like when they have babies
