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40 Cards in this Set
- Front
- Back
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Dermal Tissue
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Protection from Herbivores.
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Ground Tissue
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Metabolism and Storage
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Vascular Tissue
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Transports Food and Water
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Xylem
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Moves Water
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Phloem
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Moves Sugars.
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Parenchyma Cells
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Most Common, Alive, Storage and Metabolism
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Collenchyma Cells
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Alive, Thick Corners, Provides Support
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Sclerenchyma Cells
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Dead at Maturity, Very Stiff, Only Cell Wall, Support
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Stem
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Axis that bears Leaves, Flowers, Fruits, Buds
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Meristem
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Self Renewing Stem Cells, bud.
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Leaf
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Organ inserted into a node, has bud and axil
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What does a Petiole do?
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Lowers wind liability, Maximize/Spread out Leaves, Increase turbulence for better gas exchange, Lowers number of insects that can land on it.
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Lamina
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Surface of the Leaf. Thin and Flat.
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Simple Leaf
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Not Divided
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Compound Leaf
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Divided into Leaflets. Find axillary bud to see where leaf begins.
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Two types of Compound Leaves
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Pinnate, Palmate/clove.
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Internal Leaf Structure
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Cuticle, Dermal Tissue, Palisade, Spongy Mesophyll, Stomata
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Palisade
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In Leaf, does the Photosynthesis.
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Spongy Mesopyhll
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In Leaf, gas exchange
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Leaf Modifications: succulent
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Storage, less Surface Area and More Volume
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Leaf Modification: Tendril
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Climbing
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Leaf Modification: Spine
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Protection
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Heartwood
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Where waste goes.
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Lenticel
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Pore in Wood for Gas Exchange
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Knot
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Where a branch is. Tree grows around it.
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Internal Structure of Wood.
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Cork, Cork Cambium, Secondary Phloem, Vascular Cambium, Secondary Xyleum
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Functions of Roots
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Anchor, Absorbtion, Storage, Conduction, Relationship with Microbes
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Types of Roots
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Tap and Fiberous
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Ways to absorb water via Root: Symplast
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Cell to Cell
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Way to absorb water via root: apolast
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Water flows in between Cells to the casparian strip.
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Modified Roots: Pheumatophores
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Snorkles, Better gas exchange for Underwater Plants.
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Modified Roots: Aerial
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Roots get water from the air
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Modified Roots: Reproductive
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Other Individuals grow out of Roots
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What is a plant?
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Non motile, Life cycle is alternation of generations, photosynthesis, Eukaryote.
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Non Vascular Plants
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Moss. No xylum, no phloem, Majority of life in is Gametophyte
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Seedless Vascular Plants
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Ferns. Have xylem. Makes a lot of spores.
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Gymnosperms
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First Seed Plants, No flowers, no fruit. Pine Tree.
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Angiosperms
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True Flowering Plant. Very effective xylem and phloem.
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Angiosperms: Monocot
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One Ctyledon, no wood.
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Angiosperms: Dicot
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Two Cotyledons, possible to make wood.
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