Xylem
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1
What tissue transports water and minerals in solution?
Xylem tissue
2
What does phloem transport?
Sugars and amino acids
3
What does xylem tissue carry?
Water and minerals
4
What moves up a plant against gravity?
Water
5
What helps move water up plants?
Cohesion and tension
6
Where does water evaporate from in plants?
Leaves
7
What pulls water into the leaf?
Water molecules
8
How do water molecules move in xylem?
Through capillary action
9
Where do water molecules exit in the plant?
Stomata
10
What is the process of water loss from the surface of the plant?
Transpiration
11
What causes transpiration?
Evaporation of water
12
What can be used to estimate transpiration rate?
A potometer
13
What do you measure with a potometer?
Rate of transpiration
14
What increases transpiration?
Wind and humidity
15
What can affect the transpiration rate in plants?
Light
16
What does light affect in transpiration?
Rate of transpiration
17
What happens when it’s dark and stomata are closed?
Less transpiration
18
What happens when air is humid?
Transpiration slows
19
What does temperature do to transpiration?
Increases rate
20
How can you measure the rate of transpiration?
Using a potometer
21
What might you need to dissect to observe xylem?
Plant stem
22
What tools can you use to dissect plants?
Scalpel and tweezers
23
What does xylem carry in addition to water?
Minerals
24
How is transpiration increased?
By higher temperature
25
What increases transpiration due to wind?
Movement of air
26
What do you use to dissect a plant?
Scalpel
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