Why are blue whales so enormous? - Asha de Vos

Instructional Resource

TED-Ed Lesson: Blue whales are the largest animals on the planet, but what helps them grow to the length of a basketball court? Asha de Vos explains why the size of krill make them the ideal food for the blue whale -- it’s as if the blue whale was made to eat krill (and krill was made to be eaten by…