B3 - Water Flow Through Plants Flashcards
1
Q
What is the role of phloem?
A
To transport dissolved sugars to growing regions and storage organs.
2
Q
Which way does phloem go?
A
Both.
3
Q
What is xylem made of and describe its structure?
A
Dead cells with no end walls.
4
Q
What does xylem do?
A
It carries water and minerals from the roots to the stem and leaves.
5
Q
What is the definition of transpiration?
A
The loss of water from plants through evaporation.
6
Q
How is a transpiration stream created?
A
A water shortage is created, pulling water up the xylem.
7
Q
What is transpiration a side effect of and why?
A
Photosynthesis.When the stomata open for photosynthesis, water is lost.
8
Q
What is phloem made of and describe its structure?
A
Living cells with holes in the end.
