The weird and wonderful metamorphosis of the butterfly - Franziska Bauer
Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-weird-and-wonderful-metamorphosis-of-the-butterfly-franziska-bauer In order to become...
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In order to become a butterfly, a caterpillar’s body dissolves almost completely and is rebuilt from its own juices. As inconvenient and even downright dangerous as this process sounds, it’s actually quite common. Butterflies are just a few of the 800,000 insect species that transition from larvae to adults through complete metamorphosis. That’s approximately 85% of insects and 70% of all known animal species. But how exactly does a caterpillar become a butterfly? When a caterpillar hatches from an egg, it has none of a butterfly’s physical traits. It does have groups of cells inside its body called imaginal discs that will eventually become its butterfly parts. For now, these cells remain dormant. Juvenile hormone suppresses their ...
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In order to become a butterfly, a caterpillar’s body dissolves almost completely and is rebuilt from its own juices. As inconvenient and even downright dangerous as this process sounds, it’s actually quite common. Butterflies are just a few of the 800,000 insect species that transition from larvae to adults through complete metamorphosis. That’s approximately 85% of insects and 70% of all known animal species. But how exactly does a caterpillar become a butterfly? When a caterpillar hatches from an egg, it has none of a butterfly’s physical traits. It does have groups of cells inside its body called imaginal discs that will eventually become its butterfly parts. For now, these cells remain dormant. Juvenile hormone suppresses their ...
