What happens when a caterpillar pupates?
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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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?