Fruit fly larvae have no lungs. They breathe through their skin. That’s why they love moist fruit—it keeps their “gills” wet.
They don’t have a brain like ours. They have a tiny nerve cord. Yet they can wiggle toward food faster than you can say “ew.”
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One larva can double its size in a day. Imagine if you ate breakfast and then grew six inches by dinner. That’s their life.
They are masters of escape
If you try to squish a larva, it launches itself away. They contract their bodies like tiny springs. Boing! Suddenly, it’s on your wall.
This is called “crawling” plus “jumping.” It’s a superpower called rapid locomotion. Or, as I call it, “the escape wriggle.”
Some species can flip themselves through the air. They form a loop with their body and snap straight, flying like a tiny furry missile. Watch out, face.