Unit 3- Module 8 Plant Growth
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10 Terms
Q: What is new xylem produced by?
A: Vascular cambium
Q: What replaces the epidermis of stems with bark?
A: Periderm
Q: What does cork cambium do?
A: Produces cork, which becomes part of the bark
Q: Layers of what tissue form growth rings in trees?
A: Secondary xylem
Q: Cell division of what tissue forms primary growth?
A: Apical meristem
Q: Why do herbaceous plants not have secondary growth?
A: They lack lateral meristems
Q: What is a difference between autumn and spring wood?
A: Spring wood has larger, thinner-walled cells; autumn wood has smaller, thicker-walled cells
Q: What plant hormones are most abundant in growing tissues where they can promote mitosis?
A: Cytokinins
Q: What do you apply in order to produce plump, large, seedless grapes?
A: Gibberellins
Q: What can farmers treat plants with to trigger uniform ripening times in fruit?
A: Ethylene