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La radice e il

fusto

QuestionAnswer
Cosa è la radice L'organo che fissa la pianta al terreno e assorbe acqua e sali minerali indispensabili per la fotosintesi
Cosa è l'apice radicale Dove le cellule si riproducono continuamente permettendo alla radice di penetrare nel terreno
Cosa è la zona di accrescimento Dove si allungano le radici
Cosa è la zona di assorbimento Dove ci sono i peli radicali
Da cosa è formata la radice Epidermide,corteccia e cilindro centrale
Dove si trovano i vasi conduttori? Nel cilindro centrale
Cosa trasportano i vasi conduttori? La linfa grezza e la linfa elaborata
Dove va la linfa grezza? Dalle radici alle foglie
Dove va la linfa elaborata? Dalle foglie alle radici
Quale è la funzione del fusto? Sostiene rami e foglie
Cosa contiene il fusto? I vasi di trasporto
Che tipi di fusto esistono? Pieni,cavi,erbacei,legnosi
Esempio di fusto pieno Albero
Esempio di fusto cavo bambu' e grano
Esempio di fusto erbaceo Steli delle piante erbacee
Esempio di fusto legnoso Arbusti
Cosa è un bulbo o tubero? Un fusto che si modifica e diventa orgno di riserva
Created by: amygdalate
 

 



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