.. Flashcards
(8 cards)
1
Q
Why do Plants Need a Specialised Transport System
A
- They are large
- Have a low SA:V
- Can’t carry out diffusion
2
Q
What are herbaceous dicotyledonous plants
A
- Plants with 2 germinating seeds and leaves
3
Q
Xylem
A
- Transports water and mineral ions from the root up to the stem and the leaves
4
Q
Phloem
A
- Transports sugars and amino acids bi-directionally throughout the cell
5
Q
Distribution of Vascular Tissue in the Roots
A
- Xylem forms central cylinder surrounded by phloem, providing support as roots grow through the soil
6
Q
Distribution of Vascular Tissue in the Stem
A
- Xylem and phloem are in the outer region to form scaffolding, which stops bending
7
Q
Distribution of Vascular Tissue in the Leaves
A
- Xylem and phloem form a network of veins to provide support for the leaves
8
Q
A