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Henry Wadsworth Longfellow
11/17/2018 Title: Biology 5/18/07 Objectives: To learn about taxonomy. Class Topics Review Chapter 14 Test Notes – Chapter 25 Finals review “We judge ourselves by what we feel capable of doing, while others judge us by what we have done.” Henry Wadsworth Longfellow Saturday, November 17, :00 PM
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Class Assignments Read Chapter 25 Due this class period
11/17/2018 Class Assignments What By When Read Chapter 25 Due this class period Due next class period Due in the future
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Finals Schedule 5/21/07 - 5/25/07 * Revised lunch schedule
11/17/2018 Finals Schedule 5/21/07 - 5/25/07 * Revised lunch schedule Monday the bus leaves at 10:40 Buses run at regular times – Tues, Wed and Thurs # Locker clean out! Friday the bus leaves at 11:00
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11/17/2018 Grade Sheet 2A – p. 157 (5 pts.)
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11/17/2018 Root anatomy Central core of vascular tissue surrounded by ground tissue Root hairs on epidermis to increase surface area for water absorption Root cap Protects the growing root Example Onion root tip
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11/17/2018 C3 Leaf anatomy
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C4 leaf anatomy C4 plants ‘fix’ CO2 differently
11/17/2018 C4 leaf anatomy C4 plants ‘fix’ CO2 differently They use 4 carbon compounds, unlike C3 plants
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Leaf types Petiole Blade Connects leaf to stem
11/17/2018 Leaf types Petiole Connects leaf to stem Blade Can be divided into leaflets Compound leaf Single unit Simple leaf
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Stems Function Nonwoody stems Support Transport of materials
11/17/2018 Stems Function Support Transport of materials Other purposes Nonwoody stems Herbaceous Flexible and green Xylem and phloem in bundles
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Dicot herbaceous stems
11/17/2018 Dicot herbaceous stems vascular bundles found in ring Inside ring is called pith Outside the ring is called cortex
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Monocot herbaceous stems
11/17/2018 Monocot herbaceous stems Vascular tissue also in bundles Bundles are scattered throughout ground tissue
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Woody Stems Not green, not flexible Bark Xylem Cork cambium Phloem
11/17/2018 Woody Stems Not green, not flexible Bark Cork cambium Prevents water loss, protection Phloem Transfers fluids and nutrients Xylem Inside the bark Major component of woody stems Heartwood Xylem that doesn’t conduct water anymore Sapwood Xylem that does conduct water
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Transport in Plants Osmosis, cohesion, adhesion, transpiration
11/17/2018 Transport in Plants Osmosis, cohesion, adhesion, transpiration Guard cells of the stoma Changes in water pressure cause the stoma to open and close Changes shape of guard cells Loss of water causes the cells to close Gain of water causes the cells to open
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Review for Final Chapters All questions
11/17/2018 Review for Final Chapters 6, 7, 8, 9, 10, 11 (quiz), 14, 16, 25 All questions
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Finals Schedule 5/21/07 - 5/25/07 * Revised lunch schedule
11/17/2018 Finals Schedule 5/21/07 - 5/25/07 * Revised lunch schedule Monday the bus leaves at 10:40 Buses run at regular times – Tues, Wed and Thurs # Locker clean out! Friday the bus leaves at 11:00
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