Question

Why organism need water?​

Answer 1

Explanation:

Organisms need water because: (i) Cellular processes need water for their functioning. (ii) Substances dissolve in water for reactions to take place within the cells. ... (iv) Water helps in digestion of food and its absorption in the blood. (v) It helps to maintain body temperature.

Answer 2

Answer:

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Organisms need water because it plays a vital role in the reaction taking place within organism's cell and body. Water acts as a universal solvent, providing a medium for the chemical reaction to occur. Substances are also transported from one part of body to the other in the dissolved state. Therefore, it is necessary for the organism to maintain a distinct level of water within their bodies in order to stay alive .