To live, a man feeds and breathes.
To live, a plant also
feeds and breathes.
THE PLANT FEEDS
· The plant takes up food from
the soil through its roots. It takes water and mineral salts from the soil (see
Booklet No. 1, page 17). But it has to change the water and mineral salts.
baby drinks only milk. Its hair grows and so do its arms and legs.
strong and heavy.
The baby has changed the milk in its stomach into hair,
fat, muscles, etc.
· The leaf changes the water and
mineral salts taken from the soil by the roots. Water and mineral salts make up
the raw sap (see Booklet No. 1, page 19, and Booklet No. 2, page 21 ).
leaf changes the raw sap into elaborated sap.
The leaf sends the elaborated
sap into the buds, flowers, fruits, stem and roots.
The elaborated sap feeds the whole plant.
· The leaf changes the raw sap
into elaborated sap.
The elaborated sap FEEDS:
The elaborated sap