Q: With reference to food chains in ecosystems, consider the following statements:
A food chains illustrates the order in which a chain of organisms feed upon each other.
Food chains are found within the populations of a species.
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
Correct Answer: Option (a)
A food chain is the sequence of who eats whom in a biological community (an ecosystem) to obtain nutrition. In a food chain, each organism occupies a different trophic level, defined by how many energy transfers separate it from the basic input of the chain. Hence, option (a) is correct
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