Question

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? 

(a) 1 only (b) 1 and 2 only (c) 1, 2 and 3 (d) None

Answer 1

(a) A food chain illustrates the order in which a chain of organisms feed upon each other.

A food chain is the sequence of who eats whom in a biological community to obtain nutrition.

Sample:- Grassland Biome

GRASS > GRASS HOPPER > RAT> SNAKE > HAWK