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How are living organisms dependent on the soil? Are organisms that live in water totally independent of soil as a resource?

Q : 3    How are living organisms dependent on the soil? Are organisms that live in water totally independent of soil as a resource? 

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Soil is a complex mixture, comprising of minerals, organic matter, water and living organisms. It determines the diversity of life in any area. 

Plants need soil for support and also get nutrients to prepare their own food. Herbivore obtains food from these plant. And, carnivore is directly dependent on the herbivore. 

Aquatic animals are also dependent on soil as a resource. These animals depend on aquatic plants for food , which in turn, require nutrients from the soil.

Hence, all living organisms directly or indirectly depend on the soil.

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