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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 feed 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 ?

1)1 only

2)1 and 2 only

3)1, 2 and 3

4)None


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  • Exam: CSAT IAS 2013





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