Exam 33: Plant Form and Function

The way water travels up the length of the stem is explained by the cohesion-adhesion-tension theory.

The two principal types of conducting cells in the xylem are _________ and ________.

Explain how scientists believe plants are able to raise water to great heights at the top of the tree.

The portion of a plant that lies beneath the ground is the __________.

The __________________ is a waxy band of cells surrounding endodermal cells in the root.

What causes the annual rings we see in the wood of trees?

In plants with _______________,root hairs are less abundant because these fungal filaments take over their function for the plant.

The growing center that gives rise to thick accumulations of secondary xylem and phloem is the:

The movement of water up through a plant is a passive process that requires no energy expenditure by the plant.

The growing center that gives rise to outer layers of bark on both root and shoots is the:

The _______________ cambium gives rise to thick layers of secondary xylem and phloem.

Leaflets are part of a more complex leaf called a __________ leaf.

___________ is accumulated secondary xylem.

Which plant tissue is the least specialized and most common of all plant cell types?

____________ tissue is the outer protective covering of the plant.

The major purpose for stems appears to be:

Phloem of angiosperms is made up of ___________________,lined up end-to-end,forming tubes.

___________________ are long,slender sclerenchyma cells that usually form strands.

Describe the primary growth of a stem and explain how growth of lateral shoots is suppressed.

The stalk of a leaf is called the _______________.