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15 Cards in this Set
- Front
- Back
Plants can have both compound and simple types of leaves on a single species individual. T or F
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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.
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Each leaf is attached to a stem at a ___A___. The upper angle where a leaf joins a stem is the ___B___.
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a) DEFINE: AXIL
b) node |
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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)
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A) AXIL
B) AXILLARY BUD |
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___A___ leaves have a flat, undivided blade that is supported by a stalk called a ___B___. Name an example: __C___
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A) SIMPLE LEAVES
B) PETIOLE c) redbud, elm, maple, etc. |
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The petiole is typically supported by rigid, thick-walled _____ cells.
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fiber
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In plants such as silk tree, the petiole includes a jointlike swelling called a ____A___ that enables the leaf to ___B___.
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A) PULVINUS
B) respond and move to environmental stimuli such as light and gravity |
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The ______ enables the leaf to respond and move to environmental stimuli such as light and gravity.
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PULVINUS
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Leaves of plants such as zinnia and stonecrops lack petioles and are called ______ leaves.
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SESSILE
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Which type of leaf has a blade divided into LEAFLETS that form in one plant.
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A) COMPOUND LEAVES
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Name the two types of compound leaves.
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PINNATELY AND PALMATELY
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___a__ lack axillary buds, but each compound leaf has a single axillary bud at the base of its ____b____.
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A) LEAFLETS
B) petiole |
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___A___ is one of two types of compound leaves and form in pairs along a central, stalk-like RACHIS. examples are: (B)
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A) PINNATELY
B)Ash, walnut, and some roses |
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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 |
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The leaves of a four-leaf clover are actually four _______ of a palmately compound leaf.
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leaflets
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Pinnately compound leaves form in pairs along a central, stalk-like _______.
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rachis
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