I know it a bit of questions but i will give you 15 points and branlyest pl oh this for sience and DO NOT SEAL MY POINTS thx 1) % of the cells of most living things are made of water.
2) All organisms need a to live.
3) Organisms living on get oxygen from the air.
4) Organisms living in get oxygen from the water.
5) Green plants, algae and some bacteria need both and carbon dioxide.
6) eat other organisms to get food.