Question

4. Give reasons.
(i) The animals in polar region have thick fur and thick skin.
(ii) Tropical deciduous trees shed their leaves in the dry season.
(iii) The type and thickness of vegetation changes from place to place.​

Answer 1

Answer:

(i) The animals in polar region have thick fur and thick skin to protect themselves from the cold climatic conditions.Tropical deciduous trees shed their leaves in the dry season to conserve water.

(ii) Deciduous plants lose their leaves to conserve water or to better survive dry weather conditions. Thus they regrow new foliage during the next suitable growing season.

iii) The growth of vegetation depends on temperature and moisture. It also depends on factors like slope and thickness of soil. The type and thickness of natural vegetation varies from place to place because of the variation in these factors.

Explanation:

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Answer 2

Explanation:

The type and thickness of vegetation changes from place to place. Answer: The animals in polar region have thick fur and thick skin to protect themselves from the cold climatic conditions. Tropical deciduous trees shed their leaves in the dry season to conserve water.