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Given reason :Food chains do not exist in isolation, but are always interconnected to form food web. |
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Answer» 1. Food chains start from producers and end with consumers. 2. But beyond secondary carnivores, the amount of energy available is too less. 3. Thus, there is no tertiary carnivore that feeds exclusively on secondary carnivore. 4. The secondary carnivore, however, many times will feed on herbivores directly. 5. Therefore, food chains do not exist in isolation, but are always interconnected to form food web, so that the stability of ecosystem is maintained. |
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