Theme 1 energie et cellule vivante
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THEME 1 Energie et cellule vivante . Rappel des acquis. PPB = productivité primaire brute = ensemble de la matière organique formée par photosynthèse (par an). PPN = productivité primaire nette = part de la MO qui est transféré dans le réseau trophique.

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THEME 1 Energie et cellule vivante

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Theme 1 energie et cellule vivante

THEME 1Energie et cellule vivante

Rappel des acquis


Theme 1 energie et cellule vivante

PPB = productivité primaire brute = ensemble de la matière organique formée par photosynthèse (par an).

PPN = productivité primaire nette = part de la MO qui est transféré dans le réseau trophique.


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