pyq/2013/prelims/31

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?

(A) 1 only

(B) 1 and 2 only

(C) 1, 2 and 3

(D) None