Grands événements du Précambrien Flashcards

1
Q

Atmosphère primitive (température élevée, 1ers atomes et 1ers molécules)

A

Orogenèse et climat: Hadéen

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2
Q

Formation de la croûte terrestre

A

Hadéen

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3
Q

Âge: -4,55

A

Hadéen

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4
Q

L’apparition de la vie

A

Archéen

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5
Q

Âge: -3,8 Ga

A

Archéen

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6
Q

Apparition de la vie: cellule procaryote (aucun noyau) en -3,7 Ga

A

Faune: Archéen

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7
Q

Utilisation de l’oxygène

A

Protérozoïque

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8
Q

Âge: -2,5 Ga

A

Protérozoïque

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9
Q

1re bactérie photosynthétique (photosynthèse): cyanobactérie en -3,48 Ga

A

Flore: Archéen

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10
Q

Augmentation de l’O2

A

Orogenèse et climat: Protérozoïque

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11
Q

La catastrophe de l’oxygène

A

Faune: Protérozoïque

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12
Q

1re cellule eucaryote (avec noyau)

A

Faune: Protérozoïque

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13
Q

1er eucaryote pluricellulaire (aérobique?)

A

Faune: Protérozoïque

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14
Q

1er continent

A

Réponse: Rodinia
Orogenèse et climat:
Protérozoïque

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