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Plant Structure and Function 229
Plant Structure and Function
Section 22.2 Roots, Stems, and Leaves
Skim Section 2 of the chapter. For each structure below, list two
functions.
Roots:
Stems:
Leaves:
Use your book or dictionar y to define apical meristem.
Write the correct term in the left column for each definition below.
layer of cells just within the endodermis that gives rise to
lateral roots
single layer of cells that forms a waterproof seal around a root’s
vascular tissue
column-shaped cells that contain many chloroplasts; most
photosynthesis takes place here
loss of water through stomata
tough, protective layer of parenchyma cells that covers the tip of
a root
layer of ground tissue in the root that is involved in the transport
of water
stalk that joins the leaf blade to the stem
layer of irregularly shaped, loosely packed cells through which
oxygen, carbon dioxide, and water vapor move
New
Vocabulary
apical meristem
Review
Vocabulary