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Why Do Penguins Huddle

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  • Essay length: 1721 words
  • Submitted: 08/03/2008
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GCSE Living Things in their Environment

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The first 200 words of this essay...

Why Do Penguins Huddle?

Preliminary Work and Knowledge:

Hypothesis:

I predict that penguins huddle to keep warm. This is because when they are all grouped together, the head radiated by those not on the outside will be transferred to the ones next to them, and vice-versa, so almost all heat loss is prevented. The other is insulation. With the penguins all standing next to each other the heat loss effect again will be minimized by the insulation due to the penguins standing next to each other. The third reason it will help them keep warm is that the overall surface area of the penguins huddled together will be less than if they were all standing on their own, thus the heat loss will be less.

These reasons added to the fact that penguins generate heat in their bodies means that the group as a whole will stay warm for a very much longer time than they would on their own. I believe this is a reasonable explanation as is explains how huddling helps penguins to survive.

Experiment:

To evidence my hypothesis I am going to perform an experiment to demonstrate the

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