Why are Blue Whales so Enormous?

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What evolutionary advantage do blue whales gain by being so big? Their tiny food source, krill, holds the key to the answer. This TED-Ed video by Asha de Vos seeks to explain with the entertaining help of puppets and animation.

Watch the video and learn something new today!

Zorro The Pup Sniffs Out Owl Vomit: Click “Next” below!

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