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Explain why very small animals are rarel...

Explain why very small animals are rarely found in polar region.

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Because small sized animals have larger surface relative to their volume so will lose their body heat rapidly in the cold polar region which will reduce their chances of survival.
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Very small animals are rerely found in polar regions because

Give reasons for the following: a. Very small animals are rarely found in polar regions. b. Mammals from colder climate generally have shorter ear and limbs. c. Initially we feel nausea and fatigue when we reach a high altitude such as Rohtang Pass and then, gradually, we feel normal.

Assertion: Very small animals are rarely found in polar regions. Reason: Smaller animals have larger area to volume ratio, they tend to lose heat very fast when it is cold outside then they have to expend much energy to generate body heat through metabolism.

Assertion : Small sized animals are rarely found in polar regions. Reason : Small sized animals have larger surface area relative to their volume and they have to spend much energy to generate body heat through metabolism.

Heat loss or heat gain is a function of surface area Very ________ animals are rarely found in polar regions.

Assertion:- Very small organisms rarely found in polar regions. Reason:- Small animals have a larger surface area relative to their volume, they tend to lose body heat very fast when it is cold outside.

Explain why it is possible for a small animal to fall from a considerable height without any injuries being caused when it reaches the ground.

MODERN PUBLICATION-ORGANISMS AND POPULATIONS -REVISION EXERCISES (III. SHORT ANSWER TYPE - I QUESTIONS) (B. QUESTIONS FROM CBSE EXAMINATIONS)
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  8. Explain why very small animals are rarely found in polar region.

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