If All Plants Ate Meat, There'd Be More Oxygen in the Air
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Until a couple of years ago, most people knew next to nothing about carnivorous plants. If you had asked an expert, though, they would have excitedly submerged you in a sea of information. Meat-eating plants used to munch on tiny creatures - mostly insects, frogs, more rarely a mouse or rat. That is, until recently. Back when days were good, there were just about 700 kinds of carnivorous plants on the planet. They grew all over the world, except Antarctica.
Good old plants got most of their food by basking in the sun. But it wasn't…
The skinny
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