Question of the Week Podcast

Question of the Week episode

Mon, 22nd Nov 2010

What happens when a caterpillar pupates?

Chrysalis of Gulf Fritillary, (Agraulis vanillae) (c) Pollinator

What happens inside the shell of a chrysalis? Does the caterpillar turn into a protein-y mush or does it simply grow wings? Plus, we ask what happens once the universe has finished expanding.

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In this edition of Question of the Week

Full Transcript

  • What happens when a caterpillar pupates?

    Hello, Naked Scientists! I was wondering, what exactly happens when a caterpillar pupates and then turns into a butterfly? Does it liquefy into some sort of protein-sludge and start from scratch or does it just grow wings?



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