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14 Cards in this Set
- Front
- Back
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what is the function of the epidermis? |
water and mineral absorption |
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what is the function of the cortex? |
food storage |
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what is the function of the pericycle? |
origin of the lateral (branching) roots |
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what is the function of the phloem? |
for conduction |
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what is the function of the xylem? |
for conduction |
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what is the function of the cambium? |
meristematic tissue (active growing tissue - root tips) |
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what is the function of the stele? |
central vascular bundle (core) |
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what are the 3 functions of the root cap? |
-aids in penetration of the soil -gives protection to the meristematic zone -mucous secretion |
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what is the function of the zone of cell division? |
meristematic zone where new roots are formed |
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what is the function of the zone of cell elongation? |
new cells enlarge in size in this area |
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what is the function of the zone of cell differentiation? |
cells differentiate into the various cell types that make up the cell body |
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what is the function of root hairs? |
extensions of the root epidermal cells. they greatly increase the absorption area for water and nutrient uptake. |
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Lateral (branching) roots originate from the ... |
pericycle |
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what are adventitious roots? |
roots arising from a plant part other than an existing root examples: -stem tip cutting -cutting of herbaceous plants |
