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4 answers

To get warm if it is a mammal.

2007-06-09 08:18:41 · answer #1 · answered by Pane 3 · 0 0

To stay warm. By huddling into a ball, the animal minimizes surface area & therefore minimizes heat loss.

2007-06-09 15:19:44 · answer #2 · answered by yupchagee 7 · 0 0

A sphere encloses the most amount of space with the least outside exposure so it's only natural for an animal to try to get as close as sherical as possible when it is cold.

2007-06-09 15:20:41 · answer #3 · answered by Joan H 6 · 0 0

to keep themselves warm

2007-06-09 15:18:47 · answer #4 · answered by Anonymous · 0 0

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