Elephants have large ears, but not all kinds of elephants have the same size of ear. Elephants that live in very hot and dry climates have larger ears than those that live in cooler climates. Why is this? Elephants have very large volumes, and as volume increases, they’re ability to produce heat increases. But we know that as volume increases, surface area doesn’t increase nearly as fast. In order to give off all the heat that they are producing, they need more surface area. So, elephants in hot climates have larger ears because they need to give off more heat in order to stay cool.
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