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How do huddling groups affect the survival of warm-blooded animals in the arctic?
Member rating: No Rating | Words: | Submitted: Thu Oct 09 2003
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How do huddling groups affect the survival of warm-blooded animals in the arctic? Aim The aim of this investigation is to find out how the size of huddling groups affects the survival of warm-blooded animals in arctic conditions. Background Information I know that there are many different factors, which affect the survival of warm-blooded animals in the arctic, examples of these are: * Surface area:Volume ratio * Huddling groups * Thickness of fur/feathers I know that as the total surface area increases, the Surface area:Volume ratio decreases. If you think of a cube, this theory is demonstrated below: Area of one side Total surface area Volume Surface area:Volume ratio 1cm² 6cm² 1cm³ 6:1 2cm² 12cm² 8cm³ 3:2 3cm² 18cm² 27cm³ 2:3 A huddled group will lose less heat than an isolated animal. This is because the exposed surface area of a group of animals is less for each animal than an isolated animal (as shown below). This can be demonstrated in the diagram below. There are three separate huddles, each in a symmetrical pattern...
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