Transport (more Plants) Flashcards
(15 cards)
1
Q
The endodermis forces water
A
To pass through a xylem
2
Q
Cohesion tension
A
Straw
Stomp pressure
3
Q
___% of water is lost through stomata
A
90
4
Q
Open stomata
A
Allow CO2 in
5
Q
Closed Stomata
A
Prevent water loss
Water is under pressure/tension
6
Q
Root pressure
A
Active transport of water up
Stomata close at night
7
Q
Guttation
A
Water pushed out of root tips due to root pressure
8
Q
Stomata open
A
As light increases
9
Q
Sieve members
A
Are highly pressurized
10
Q
Sources
A
High pressure
Photosynthetic leaves, germinating seeds
11
Q
Sinks
A
Need sucrose
Roots, fruits, meristems
12
Q
___% of the plant is water
A
80-85
13
Q
___ necessary elements
A
17
C
O
N
H
14
Q
Iron
A
Abundant but deficient
Chelating agents
Forms insoluble salts in high pH (5)
15
Q
Nitrogen fixation
A
Prokaryotes fix atmospheric oxygen for plants
