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Beneath every continent
Cave & Subterranean
No sunlight, ever. Eyes go blind, pigment vanishes, life invents new senses.
Species
50,000
Plant species
0
Endangered
40%
Pressure
Hard to measure — most caves unsurveyed
Surprise of the day
The olm (a blind cave salamander) can live 100 years and survive a decade without food.
Who eats who
Apex predators on top. Energy flows down.
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