plant transport Flashcards
(6 cards)
1
Q
Order of tissues in the root?
A
- root hair cells, epidermis, cortex, endodermis, vascular.
2
Q
What is different about xylem walls?
A
- Lignified, thicker, bordered pits, end walls removed.
3
Q
What is the cambium?
A
- Found near vascular bundles.
- Mitosis occurs from cambium to produce new cells for growth.
- These cells differentiate into xylem and phloem.
4
Q
Why is lignin beneficial?
A
- prevents water loss/waterproofing
- provides structural support to the stem/plant
5
Q
Why is a xylem’s lack of cell contents beneficial?
A
- minimises resistance to the flow of water
6
Q
A
