Why are blue whales so enormous? - Asha de Vos
View full lesson: http://ed.ted.com/lessons/why-are-blue-whales-so-enormous-asha-de-vos Blue whales are the largest animals on the planet, but what helps them grow to the length of a basketball...
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Translator: Andrea McDonough Reviewer: Bedirhan Cinar Blue whales are the largest animals that have ever roamed the planet. They're at least two times as big as the biggest dinosaurs, "That's big!" the length of a basketball court, and as heavy as 40 African elephants. If that's not enough to make you marvel, here's something that will. They're grown to this enormous size by feeding exclusively on tiny shrimp-like creatures called krill that are no bigger than your little finger. In many ways, the sheer size of krill seems to have driven the evolution of the blue whale. See, krill are so small but are found in dense patches. For increased efficiency, blue whales have evolved to use a feeding strategy called lunge f...
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Translator: Andrea McDonough Reviewer: Bedirhan Cinar Blue whales are the largest animals that have ever roamed the planet. They're at least two times as big as the biggest dinosaurs, "That's big!" the length of a basketball court, and as heavy as 40 African elephants. If that's not enough to make you marvel, here's something that will. They're grown to this enormous size by feeding exclusively on tiny shrimp-like creatures called krill that are no bigger than your little finger. In many ways, the sheer size of krill seems to have driven the evolution of the blue whale. See, krill are so small but are found in dense patches. For increased efficiency, blue whales have evolved to use a feeding strategy called lunge f...
