Q44 of 163 Page 227

What is a food chain? Give one example of a simple food chain.

Food chain is defined as a series/ chain of organisms wherein each organism is dependent on the other for energy (food).


Example of a simple food chain-



Zebra eats grasses and are in turn eaten by lions.


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Define an ecosystem. Give examples of any two ecosystems.

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List the biotic and abiotic components of an ecosystem.

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What is a 'food web'? Show its formation.

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What is meant by 'environment'?