33. Plant Anatomy

If you wanted to plant a flowering plant in your yard that would bloom every spring, which of the following should you choose?

A region of dividing cells in a plant is called a __________.

Which example below is the site of primary growth that results in the plant's increasing in height?

Which of the following is a lateral meristem?

Some plants grow by primary and secondary mechanisms. Choose the correct description of a mechanism and its result.

Why does pinching off the top of a plant make it bushier?

Lateral roots in seed plants are initiated by cell divisions in the __________.

Root tips are pushed farther into the soil mainly by __________.

If you pound a nail into a tree 1 meter off the ground and come back to find it in 20 years, what will it be?

Cell division would occur least frequently in which of these tissues?

Annual rings in wood are evidence that in climates with a single annual growing season, the __________ divides actively when water is plentiful and temperatures are suitable for growth and ceases to divide when water is scarce and the weather is cold.

The vascular cambium gives rise to (A) all xylem. (B) all phloem. (C) primary xylem and phloem. (D) secondary xylem and phloem

DRAW IT On this cross section from a woody eudicot, label a growth ring, late wood, early wood, and a vessel element. Then draw an arrow in the pith-to-cork direction.

Place these tissues in order, starting at the center of a woody stem. (Hint: Review Figure 31.8A). a. vascular cambium b. primary phloem c. epidermis d. primary xylem