Biological mechanisms: Photosynthesis, digestion, cellular respiration.
Habitat for many species.
Participates in cycling of materials used by living things.
Answer:
1. Water keeps plants and animals alive because almost all living things need water.
2. Water provides habitats for several species.
3. Water is needed for photosynthesis to happen and plants are an important link in our food chain so if water didn't exist, plants would die and animals would have no food to eat.
Hope this helps! :)
Explanation:
