Write down a food chain : (a) in the sea (b) which ends with humans (c) with five links in it.

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Solution

(a) Algae →Protozoa → Small fish →Large fish

(b) Grass → Goat → Man

(c) Grass → Grasshopper → Frog →Snake → Eagle

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Write down a food chain : (a) in the sea (b) which ends with humans (c) with five links in it.

(a) Algae →Protozoa → Small fish ​​​​​​​→Large fish (b) Grass ​​​​​​​→ Goat ​​​​​​​→ Man (c) Grass ​​​​​​​→ Grasshopper ​​​​​​​→ Frog ​​​​​​​→Snake ​​​​​​​→ Eagle

(a) Algae →Protozoa → Small fish →Large fish

(b) Grass → Goat → Man

(c) Grass → Grasshopper → Frog →Snake → Eagle