Chapter 31

Name one role of the plant hormone auxin and describe how auxin is transported within a plant.

Explain why a plant that has a vascular cambium also has a cork cambium.

Explain why the vascular cambium forms a continuous sheath that runs from near the tips of the branches to near the tips of the roots, whereas the cork cambium is discontinuous in both space and time.

List three structural differences between roots and shoots that allow roots to grow through the soil. Explain how you would tell whether an isolated piece of a plant came from the shoot or from the root.

Give an example of how a plant's ability to sense its environment improves the plant's chances for survival and reproduction.

Describe how vernalization can have an effect in cells that were not formed at the time of the cold treatment.