question_answer

Food chains differ from food webs in that:

(i) food chains are single sequence of who eats whom in a community.

(ii) food chains better represent the entire community.

(iii) food webs represent the complex interaction among food chains.

(iv) food chain is the flow of energy in a population.

A) (i) and (iii)

B) (i) and (iv)

C) (i), (ii) and (iii)

D) (i), (ii), (iii) and (iv)