Question

Why do organisms need water?✔✔✔✔✔

Answer 1

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Organisms need water for the following reasons:

(i) All cellular processes need water as a medium. Usually, the reactions that take

place in our body or within the cells occur between substances that are dissolved in water.

(ii) Since most of the substances are transported in a dissolved form, water is necessary.

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Answer 2

Answer:

All cellular processes takes place in water medium. All the reactions that take place within our body & within our cells occurs between substances that are dissolved in water. Substances are also transported from one part of the body to the other in a dissolved form. Hence organisms need to maintain the level of the water within their bodies to stay alive. Therefore, organisms need water.

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