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15 Cards in this Set

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Plants can have both compound and simple types of leaves on a single species individual. T or F
T. Juvenile leaves occur on younger parts of plants and may differ from adult leaves on more mature parts of plants. Acacia is an example: Juvenile leaves are compound. Adult leaves are simple.
Each leaf is attached to a stem at a ___A___. The upper angle where a leaf joins a stem is the ___B___.
a) DEFINE: AXIL
b) node
in the ___A___ of each leaf is an ___B___ that can grow and develop into a branch with leaves or flowers on it. (fig9.6)
A) AXIL
B) AXILLARY BUD
___A___ leaves have a flat, undivided blade that is supported by a stalk called a ___B___. Name an example: __C___
A) SIMPLE LEAVES
B) PETIOLE
c) redbud, elm, maple, etc.
The petiole is typically supported by rigid, thick-walled _____ cells.
fiber
In plants such as silk tree, the petiole includes a jointlike swelling called a ____A___ that enables the leaf to ___B___.
A) PULVINUS
B) respond and move to environmental stimuli such as light and gravity
The ______ enables the leaf to respond and move to environmental stimuli such as light and gravity.
PULVINUS
Leaves of plants such as zinnia and stonecrops lack petioles and are called ______ leaves.
SESSILE
Which type of leaf has a blade divided into LEAFLETS that form in one plant.
A) COMPOUND LEAVES
Name the two types of compound leaves.
PINNATELY AND PALMATELY
___a__ lack axillary buds, but each compound leaf has a single axillary bud at the base of its ____b____.
A) LEAFLETS
B) petiole
___A___ is one of two types of compound leaves and form in pairs along a central, stalk-like RACHIS. examples are: (B)
A) PINNATELY
B)Ash, walnut, and some roses
Leaflets of ___A___compound leaves attach at the same point, much as fingers that extend from your palm
Name some examples: ___B___
A) palmately
B) horse chestnut, marijuana, lupine, and shamrock
The leaves of a four-leaf clover are actually four _______ of a palmately compound leaf.
leaflets
Pinnately compound leaves form in pairs along a central, stalk-like _______.
rachis