Topic 2 Plants: Plant Tissues Flashcards
1
Q
- Provides structural support
- Makes up most of the plant’s mass
A
Ground Tissue
2
Q
a. Parenchyma
b. Collenchyma
c. Sclerenchyma
A
Types of Ground Tissue
3
Q
- Filler tissue, makes up the bulk of the plant
- Thin cell walls
A
Parenchyma
4
Q
- Extra support (in areas of active growth)
- Irregular cell walls
A
Collenchyma
5
Q
- Provides main structural support, thick cell walls
A
Sclerenchyma
6
Q
- Transports materials from a source to a sink
- The stele is formed by xylem, phloem, and pith (made of parenchyma) in the center of the plant for transport
A
Vascular Tissue
7
Q
- Phloem
- Xylem
A
Types of Vascular Tissue
8
Q
- Transports sugars from leaves (source) to roots and other areas (sink)
- Made of sieve cells (long cells, lacking organelles, connected to form tunnel for transport) and companion cells (connected to sieve cells, contain organelles for metabolic functions)
A
Phloem
9
Q
- Transports water from roots (source) to leaves (sink) and provides structural support
- Made of tracheids (long and think, water travels through pits in their tapered ends) and vessel elements (short and stout, water travels via perforations in cell walls)
A
Xylem
10
Q
- Outer layer of plant
- Provides protection and regulation
A
Dermal Tissue
11
Q
- Epidermis
- Root Hairs
A
Types of Dermal Tissue
12
Q
- Covered by cuticle (waxy layer (which limits water evaporation
A
Epidermis
13
Q
- Increase surface area of roots for greater nutrient and water uptake
- Water uptake in roots occurs via symplastic pathway (inside cells cytoplasm) or apoplastic pathway (outside cell through cell walls)
A
Root Hairs
14
Q
- Made of fat and wax
- Impenetrable substance in cell walls of roots
- Forces water coming from cell walls into cytoplasm for filtering before entering the rest of the plant
A
Caspian Strip
