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La foglia

Da cosa è costituita la foglia? Dal picciolo e dalla lamina fogliare
Picciolo Sorregge e inserisce la foglia nel ramo
Lamina fogliare Attraversata dalle nervature ,cioè le ramificazioni dei vasi conduttori che provengono dal fusto
Cosa sono le foglie? Gli organi della pianta in cui avvengono i processi di fotosintesi,traspirazione e respirazione
Cosa è la fotosintesi? L'insieme delle reazioni che trasformano l'anidride carbonica e l'acqua in molecole di glucosio e ossigeno.
Dove avviene la fotosintesi? Nei cloroplasti
Il glucosio prodotto entra a far parte di cosa? Della linfa elaborata
L'ossigeno esce dalle foglie attraverso cosa? Gli stomi
Cosa fa la respirazione? Trasforma il glucosio e l'ossigeno in acqua e anidride carbonica e libera energia
Perchè la respirazione avviene in tutte le cellule? Perchè tutte hanno bisogno di energia per svolgere le loro funzioni
Cosa è la traspirazione? E' il processo con cui le piante eliminano l'acqua non utilizzata per la fotosintesi sotto forma di vapore acqueo.
Created by: amygdalate
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