cynone7764 cynone7764
  • 23-10-2018
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Cuando se considera que apareció la vida en la tierra

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tovingmuttery tovingmuttery
  • 01-11-2018

La vida apareció en la Tierra hace unos 4000 millones de años, aunque es un cálculo aproximado. Los detalles del origen de la vida no se conocen, pero se establecieron principios generales. Existen dos teorías sobre su origen: panspermia natural (sostiene que materia orgánica pudo haber llegado a la Tierra desde el espacio) y la panspermia dirigida argumenta que la vida apareció en la Tierra y posiblemente se haya trasladado a otros planetas y sistemas solares.

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