X is a wild animal which eats only the flesh of other animals whereas Y is a domestic animal which feeds mainly on green grass.
(a) What are animals like X known as ?
(b) What are animals like Y known as ?
(c) Which animal, X or Y, has a longer small intestine ? Why ?
(d) Name one animal which is like X.
(e) Name one animal which is like Y.

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Solution

(a) Carnivores

(b) Herbivores

(c) Animal Y has a longer small intestine. The animal Y is a herbivore which eats grass (and other green plants). The grass contains a carbohydrate called cellulose which is digested with difficulty. A longer small intestine allows the cellulose present in the grass to be digested completely,

(d) Tiger

(e) Cow.

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