First slide

Organism and its Environment

Question

Which of the following is an adaptation in polar seals to their environment?

Easy

A

Blubber (underneath the skin) that acts as a thermal insulator
B

Larger ears and limbs to minimise heat loss
C

Large body surface to volume ratio
D

Burrowing into the soil to escape from high temperatures

Solution

Seals have thick layer of fat under the skin called blubber. It protects these animals from the extreme cold. Organisms of polar regions have shorter extremities. Seals are found along most coasts and cold waters, but a majority of them live in the Arctic and Antarctic waters. So, they do not burrow. Seals are large animals. Smaller animals tend to have larger surface area to volume ratios.

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