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Title: Chapter 23 Biology Chapter Outline
Description: First Vocabulary Word for Reference: Epidermal Cell- A cell that makes up the dermal tissue, which is the out covering of a plant.
Description: First Vocabulary Word for Reference: Epidermal Cell- A cell that makes up the dermal tissue, which is the out covering of a plant.
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Joshua Bennett
3rd hour
4-13-15
Chapter 23
23-1 Specialized Tissue in Plants
Epidermal Cell- A cell that makes up the dermal tissue, which is the out covering of a plant
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Sieve Tube Element- The main phloem cells
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Parenchyma- Cells that have thin cell walls and large central vacuoles surrounded by a thin layer of
cytoplasm
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Sclerenchyma- Cells that have extremely thick, rigid cell walls that make ground tissue tough and
strong
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Meristematic Tissue- Undifferentiated tissue; not being specialized for certain tasks
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Differentiation- The process by which cells develope into mature cells that gain specialization
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Fibrous Root- Roots that branch out so that soil would not be washed away during a flood or rain
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Cortex- A spongy layer of ground tissue inside the epidermis
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Vascular Cylinder- A vascular subsystem, which the endodermous completely encloses
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Casparian Strip- A water proof strip in the vascular cylinder that surrounds four sides of each cell
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Vascular Bundle- A bundle that contains xylem and phloem tissue
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Primary Growth- The method of growth, occuring only at the ends of a plant
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Vascular Cambium- Lateral meristematic tissue that produces vascular tissues and increases the
thickness of stems over time
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Heartwood- It contains old, nonfunctioning xylem that helps support the tree
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Bark- It includes Cork, Cork Cambium, and Phloem
23-4 Leaves
Blade- Thin, flattened sections of a leaf
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Spongy Mesophyll- A loose tissue with many air spaces between it's cells
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Guard Cell- The specialized cells in the epidermous that control the opening and closing of stomata by
responding to changes in water pressure
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23-5 Transport in Plants
Adhesion- The attraction between unlike molecules
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Pressure-Flow Hypothesis- It states that a high concentration of organic matter inside cells of the
phloem in a leaf or other source creates a diffusion gradient that draws water into the cells
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B
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C
4
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C
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B
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B
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Vascular tissue consist of the Phloem, which consists of sieve tube elements and companion cells,
and Xylem, which consists of tracheids and vessel elements
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Parenchyma- The site of most of the plants photosynthesis
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Selerenchyma- Rigid cells that make ground tissue tough and strong
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Dicot roots have a central column of xylem cells, arranged in a radiating pattern
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The pore-like openings allow the exchange of oxygen
and carbon dioxide and the controlled release of water
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The adhesion property of water is important because it allows water to move up the plant
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When transpiration is high, the plant loses water
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The sapwood, in
stems, contain active xylem that transports water and minerals
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The graph shows the rate of transpiration compared to the rate of water intake over time
b
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c
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d
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So in a sense
the leaf is the part of a plant that allows the plant to live
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Both coniferous plants and grasses grow in the same way in primary growth and they both produce
blades/needles, but in secondary growth grasses have no rings
31
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32
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Title: Chapter 23 Biology Chapter Outline
Description: First Vocabulary Word for Reference: Epidermal Cell- A cell that makes up the dermal tissue, which is the out covering of a plant.
Description: First Vocabulary Word for Reference: Epidermal Cell- A cell that makes up the dermal tissue, which is the out covering of a plant.