 | Habitat |
| Water is where fishes, crocodiles live. So as microorganisms. |
 | Maintain Temperature |
| Water have high specific heat capacity making it the best medium to maintain temperature. |
 | Solvent |
| For polar molecules, water is the best solvent and because of that it is called the universal solvent. |
 | Part Of Metabolism |
| All animals and plants need water as their medium of metabolism. |
 | Break Polymers |
| When making polymers from monomers, water is removed. So, to break polymer to monomers, water is needed. |
 | Remove Stains |
| Washing, bathing etc. Water is used to remove stains since water move easily. |
 | Carrier |
| Oxygen, carbon dioxide can dissolve in water. Vital in animals and plants respirtion. |
 | Transportation |
| At certain places, logs are bring down by the river. |
 | Insulator |
| During winter, ice formed from water insulate water below. Thus, water below does not form ice and organisms below can live. |
 | Remove Heat |
| High specific heat capacity makes water the best medium to remove heat. |