Plants Cont. Flashcards
(12 cards)
1
Q
Cell types
A
Parenchyma
Collenchyma
Sclerenchyma
2
Q
Parenchyma
A
Living
Thin, cellulose walls
Least specialized
Most common
3
Q
Collenchyma
A
Unevenly thickened
Pectin walls
Support
Least common
(Stems of herbaceous plants)
4
Q
Sclerenchyma
A
Dead
Thick, lignin walls
Support in primary and secondary tissues
5
Q
Tissue types
A
Epidermal- skin
Vascular- xylem and phloem
Ground- everything else
6
Q
Xylem
A
Water and minerals
7
Q
Phloem
A
Carbohydrates
8
Q
Trachids
A
Dead Narrow, long Closed at ends Pits in secondary wall Ferns and gymnosperms
9
Q
Vessel Members
A
Dead Hollow and short Perforation plates Pits Stacked Angiosperms
10
Q
Meristem
A
Where cells divide in plants
Apical- primary (non woody)
Lateral- (cork and vascular) secondary (woody)
11
Q
Nodes
A
Leaf attachment sites
12
Q
Stomata
A
Formed by 2 guard cells
CO2, water vapor, and oxygen into leaf
