CBSE - X - Biology
Define the following terms:
ii) 10 % energy law
iv) Food Web
1. Evolution can be defined as the formation of more complex organisms from pre-existing simpler organisms over a certain period.
2. Ten Percent Law states that, ‘Only 10% of the energy entering a particular trophic level of organisms is available for transfer to the next higher trophic level’.
3. The sequential process of eating and being eaten is called a food chain.
4. A network of interconnecting food chains in a natural community of different organisms is called a food web.
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