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# Why do elephants have big ears?




Cos Noddy won't pay the ransom
(Cousin It, Fri 1 Aug 2003, 16:42, archived)
# No
It's because they have a low mass to surface area ratio and need to dissipate heat via the small capillaries that run through its ears which has a large surface area.

So there!
(I helped save b3ta! OldWhit, Fri 1 Aug 2003, 16:47, archived)
# Shouldn't that be
High mass to surface area ratio or
low surface area to mass ratio
(Cousin It, Fri 1 Aug 2003, 16:50, archived)
# Nope he was right
Overall, for the body it is good to have low surface area to mass ratio to conserve heat, but to loose heat, which is what the large ears (in the case of the Indian or African elephant trivia fans?) should have high surface area to mass ratio to loose heat.

Hurray for Oldwit
(Pig, Fri 1 Aug 2003, 16:53, archived)