Question

All living cells require energy for various activities. This energy is available by the breakdown of simple

carbohydrates either using oxygen or without using oxygen.

(i) Energy in the case of higher plants and animals is obtained by

a) Breathing

b) Tissue respiration

c) Organ respiration

d) Digestion of food​

Answer 1

Answer:

(b) tissue respiration

Explanation:

A tissue contains mitochondria in which breakdown of carbohydrates occur using oxygen

this oxygen comes into the body by diffusion in higher animals and plants

Answer 2

Answer:

b)Tissue respiration

Explanation:

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