First slide

Organism and its Environment

Question

Small animals are very rarely found in Polar Regions because of

Easy

A

Absence of vegetation
B

They became preys for the predators
C

Larger surface area to body volume
D

Smaller surface area to body volume

Solution

Small animals have a larger surface area relative to their volume, they tend to lose body heat very fast when it is cold outside; and then they have to expend much energy to generate body heat through metabolism. This is the main reason why very small animals are rarely found in Polar Regions.

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