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1Draw and label a root apex.


2During seed germination, a ________, or young primary root, emerges from the seed and grows down.


3How does the structure of a monocot stem differ from that of a dicot stem?


4How does the orientation of the xylem and phloem differ in a stem and a leaf?


5Compare and contrast the structure and function of xylem and phloem.


6Is vascular cambium a primary or secondary meristem? Explain.


7The palisade mesophyll has intercellular spaces.
A)True
B)False


8Define leaflet, venation, and phyllotaxis.


9The two possible fates of an axillary bud are a branch or a leaf.
A)True
B)False


10How do you determine a year's growth in a woody stem?


11What is "grain" in wood?


12________ occur at the tips of roots and shoots and are localized areas of cellular division.


13


epidermis
14


cortex
15


amyloplasts
16


endodermis
17


root hairs
Answer choices:
A)regulates the flow of water to the vascular tissue in the center of the root
B)major storage region
C)starch-containing plastids
D)protects and waterproofs
E)increase the surface area of roots


18Draw a compound palmate leaf and a compound pinnate leaf.


19The water-conducting cells in the xylem of angiosperms are called ________ and ________.


20Phloem cells are alive at maturity.
A)True
B)False


21


cutin
22


pith
23


sclerenchyma fiber
24


bud scale
25


leaf scar
Answer choices:
A)a scaly leaf that is part of a protective sheath around a plant bud
B)mark left on stem where leaf detached
C)a waxy coating of the epidermis that waterproofs the stem
D)support of the stem and protection of the vascular tissue
E)the center of the stem where food is stored


26In bark, the ruptured epidermis is replaced by a tissue called the ________, that functions to minimize water loss.


27In bark, gas exchange across the cork layer occurs through structures called ________.
A)stomata
B)lenticels
C)trachieds
D)vessels





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