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Roots, Cap protects the tip, Example of aerial roots - Coggle Diagram
Roots
Roots and Modifications
Prop Roots
Advantageous roots above ground
Transports additional nutrients and water to the stem
Aerial Roots
Roots spread along the surface of the bark
Storage roots
Provide long term storage of carbohydrates
Lateral Roots
Most common type
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Structure of roots
Root tip
region where growth in length occurs
Root cap
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Thick layer of cells
Forced through the soil ahead of root body
Zone of Elongation
behind the root cap and apical meristem
cells undergo division and expansion
Root hairs
Increase the surface area of the root
Expand out and collect water and minerals
Apical Meristem
produces cells and signals where water/minerals are
External Structure of Roots
Taproots
Plants main site of carbohydrate storage during winter
Examples such as carrots and beets
Fibrous Roots
Consists of many roots, none from the radicle
All of the main roots are adventitious
Lateral/Branch Roots
Smaller roots that come from the taproots
3 Functions
Absorb water and minerals
Produce hormones
Anchor for the plant
Cap protects the tip
Example of aerial roots
