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Gladiator games : In the natural world, biodiversity can offer protection to weaker species [ScienMag]

par Frédéric Magné - publié le , mis à jour le

If you pit a pair of gladiators, one strong and one weak, against each other 10 times the outcome will likely be the same every time : the stronger competitor will defeat the weak. But if you add into the field additional competitors of varying strength levels, even the weakest competitors might be able to survive — if only because they’re able to find a quiet corner to hide.
The same is true in the natural world, where in some ecosystems species compete with others for the space to survive and reproduce, according to a long-held scientific theory.

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