Roots Flashcards
1
Q
Review reading assignment
A
For roots
2
Q
Primary root
A
Large main root
3
Q
Secondary root
A
A smaller root
4
Q
Tap root system
A
Plant has one main (primary) root. Smaller roots branch off of it
5
Q
Fibrous root system
A
There is NO primary root. It is simply a network of many secondary roots
6
Q
Root parts
A
Epidermis
Cortex
Endodermis
Vascular cylinder
7
Q
Epidermis
A
Outer layer. Absorbs water and minerals from the soil. Root hairs.
8
Q
Root hairs
A
Increase the absorptive surface area
9
Q
Cortex
A
Found beneath the epidermis. In some roots, used to store nutrients. (Carrots/turnips=good)
10
Q
Endodermis
A
Surrounds the vascular cylinder. Ensures a one way flow of water into the root. Prevents water from escaping
11
Q
Vascular cylinder
A
Found at the center of the root. Contains xylem and phloem
