La disparition des dinosaures

dure(2/3) L'extinction K/T

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Le règne des dinosaures s'est achevé il y a 65 millions d'années, lors de la crise Crétacé-Tertiaire (crise K/T). Celle-ci se caractérise par une extinction massive des espèces animales et végétales. Quels cataclysmes ont pu provoquer cette crise ? Réponse du paléontologue Ronan Allain.

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