Biogéographie Flashcards

1
Q

Diatomées

A

Algues unicellulaires dont la membrane cellulosique a la particularité de fixer la silice de l’eau

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2
Q

Diatomite

A

Roche sédimentaire siliceuse d’origine végétale presque exclusivement constitué de de l’accumulation de diatomées fossilisés

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3
Q

La photosynthèse

A

Rererevoir la vidéo https://youtu.be/F9ja35nBDzc?si=uP-Nm0sZUlD6kxcD

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4
Q

Phytoplancton

A

Plancton d’origine végétale

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5
Q

Zooplancton

A

Plancton d’origine animale

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6
Q

Plancton

A

Organisme microscopique vivant et flottant à la surface des eaux douces

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7
Q

Date de la création de notre univers

A

13,8 milliard d’années

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8
Q

stromatolithes

A

Roches sédimentaire d’origine organique crée par l’accumulation des sédiments de cyanobactéries

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9
Q
A
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