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Water is essential for life . Write any ...

Water is essential for life . Write any three features both for plants and animals which enable them to survive in water scarce environment .

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The first form of life originated in water. Water plays an essential role in various metabolic and catabolic processes of the organisms.
Plants survive in water scarce environment through:
(i) Completing the life cycle in a short period (Ephemeral mode).
(ii) Mechanisms like developing deep tap roots, deciduous leaves and sunken stomata to avoid transpiration loss. Also there is thick cuticular covering for this purpose.
(iii) Succulence to store the water. In animals they possess the features like:
(i) Body avoids sweating to avoid loss of water.
(ii) The kidney functioning is uricotelic.
(iii) There is a fatty sebaceous deposition under the skin to avoid loss of water.
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