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100
Name the 4 plant organs.
roots, stem, leaves, flower
100
What is the outside layer of a young stem called?
epidermis
100
What protects the outside of a mature (older) stem?
bark
100
What cells carry water down the stem?
xylem
100
Food is transported through the stem by tube-like cells called ____?
phloem
200
Draw the difference between fibrous and taproots.
200
Name 3 types of cells in a stem.
xylem, phloem, cambium
200
Explain the difference between terminal bud and lateral bud.
*teacher check
200
The point where the leave connects to the stem is call the:
a. internode
b. node
c. shoot
b. node
200
A new stem growing off the main stem is called a ____?
shoot
300
Name types of special roots.
adventitious, tap, fibrous, prop, pneumatophore, aerial, parasitic
300
Name 3 things that roots do for a plant.
1. absorbs water
2. provides support
3. store food
300
Name 3 things that stems do for a plant.
1. provides support/form
2. transports water
3. stores food
300
Growth in the cells of a tree happens only in the ____ and ____?
spring and summer
300
What special stem clings on to objects or other plants?
tendrils
400
Living phloem cells are in the heartwood. True or False?
False.
400
Parasitic roots send out ____ that tap into other plants to steal nutrients.
haustoria
400
What protects the end of a root as it grows?
root cap
400
Hard wood in the center of a tree is called ____?
heartwood
500
What is the job of vascular tissue in a root?
carries water and minerals to the stem.
500
Sapwood contains (xylem/phloem).
xylem
500
Explain why the outside layer of mature trees is cracked.
*teacher check
500
The waxy substance that helps the plant from losing water is called ____?
cuticle