Ans: The big ears are to help the elephants stay cool. Elephants don't sweat, so they have a hard time dissipating excess heat (keeping cool). Their large ears contain many blood vessels that allow heat to escape into the air. When you see elephants they are usually moving their ears back and forth. This fanning helps to dissipate more heat than if their ears remained still.
Tuesday, October 15, 2013
Elephants
Questions about elephants once came out in PSLE. So, here are some facts about the elephants.
Why do elephants have such big ears?
Ans: The big ears are to help the elephants stay cool. Elephants don't sweat, so they have a hard time dissipating excess heat (keeping cool). Their large ears contain many blood vessels that allow heat to escape into the air. When you see elephants they are usually moving their ears back and forth. This fanning helps to dissipate more heat than if their ears remained still.
Ans: The big ears are to help the elephants stay cool. Elephants don't sweat, so they have a hard time dissipating excess heat (keeping cool). Their large ears contain many blood vessels that allow heat to escape into the air. When you see elephants they are usually moving their ears back and forth. This fanning helps to dissipate more heat than if their ears remained still.
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