Question

Q 3 a) What is a food chain? Give one example of a simple food chain.
b) What is a Food web ? Show its formation.

Answer 1

HELLO !!!....


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(a) The sequence of living organisms in a community in which one organism consumes another organism to transfer food energy is called a food chain. An example of a simple food chain is that operating in a grassland:

                                   Grass         →       Deer          →         Lion
                              (Producer)           (Herbivore)            (Carnivore)



(b) The inter-connected food chains operating in an ecosystem that establish a network of relationships among various species comprise a food web.
A food web is formed by many food chains operating together. A food web operating in a grassland is shown in the figure.

Five food chains are possible in this food web, which are as follows.


1) Grass → Grasshopper → Frog → Hawk

2) Grass → Grasshopper → Rat → Fox

3) Grass → Rabbit → Fox

4) Grass → Rat → Snake →Hawk

5) Grass → Rat → Hawk


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# NIKKY

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