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CH 4. Ecosystem

Name two main components of Ecosystem ?

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Two main components are :- BIOTIC ABIOTIC

Define Food web ?

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A network of food chains in a community is reffered to as a food web.

Define Food chain ?

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The transfer of materials and energy from their ultimate source in plants as producers through series of organisms each of which eats the smaller preceding one and is eaten by larger succeeding one is called Food chain.

The photosynthetic plants which are called primary producers are also known as ?

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Autotrophs

What are structural and functional unit of biosphere ?

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Ecosystem

Those animals which can feed on both plants and animals are called ?

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Omnivores

Saprophytes which obtain their nourishment from organic remains are called ?

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Decomposer

Name the interaction between predator and prey ?

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Predation

A network of different food chain are called ?

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Food web

Light, temperature, pressure humidity are which component of ecosystem.

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Abiotic component

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