GyanGramWith reference to food chains in ecosystems, consider the following statements : 1. A food chain illustrates…
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With reference to food chains in ecosystems, consider the following statements :
1. A food chain illustrates the order in which a chain of organisms feeds upon each other.
2. Food chains are found within the populations of a species.
3. A food chain illustrates the numbers of each organism which are eaten by others.
Which of the statements given above is/are correct?
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• Correct Answer: A
• A food chain is a linear sequence showing the order in which organisms feed upon each other, transferring energy and nutrients unidirectionally.
• 2 is wrong: Food chains describe inter-species feeding relationships, not intra-population dynamics. 3 is wrong: Numbers eaten are shown by the pyramid of numbers, not the food chain itself.
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