How to Eat When You Don't Have a Mouth: Lessons From 5 Animals

Not all animals have a mouth, or even need one to eat! These different feeding strategies can teach us a lot about our ancestors and how they went from not needing a mouth at all to only eating with one.

Hosted by: Hank Green

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Trichoplax adhaerens




Bryozoans




Hydra vulgaris


Paracatenula



Hagfish




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