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Aim #36: How are plants adapted to perform photosynthesis?
Date: December 17, 2015 Aim #36: How are plants adapted to perform photosynthesis? HW: Study! Study! Study! and study some more… Castle Learning due tomorrow- come with questions to review! Quest -Photosynthesis (Aim #’s 32-36) Monday 12/21 (periods 1 & 7) and Tuesday 12/22 (period 5) Review Thursday afternoon Friday morning Plant Packet (follow calendar of suggested deadlines!!) Do Now: Warm-Up Notebook Date Title of Activity Page # 12/17 The Cholorplast 66
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Happy Birthday Joe Y. & Kate A.!!!!!!
Date: December 18, 2015 Aim #36: How are plants adapted to perform photosynthesis? HW: Study! Study! Study! and study some more… Quest -Photosynthesis (Aim #’s 32-36) Monday 12/21 (periods 1 & 7) and Tuesday 12/22 (period 5) Review Thursday afternoon Monday morning Plant Packet (follow calendar of suggested deadlines!!) Happy Birthday Joe Y. & Kate A.!!!!!! Do Now: Warm-Up Notebook Date Title of Activity Page # 12/18 Thinking Critically About Photosynthesis
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Aim #36: How are plants adapted to perform photosynthesis?
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Let’s think… How are we adapted for heterotrophic nutrition?
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BrainPop esis/
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Let’s Review: Where does photosynthesis happen?
Leaf
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Cuticle Waxy covering of leaf Protection Prevents excess water loss
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Stomates Open and close to allow for movement of water vapor and gas exchange Guard cells: Kidney-shaped cells around stomates Regulate opening and closing by swelling with water when needed Stomates
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Palisade mesophyll Where photosynthesis occurs One or two cells thick
Lots of chloroplasts Palisade mesophyll
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Spongy mesophyll Lots of air spaces to allow for gas exchange
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Let’s Review: Label the parts of the leaf below.
Cuticle Keeps moisture Palisade Photosynthetic cells Absorb light Spongy layer Photosynthetic cells Allow gas passage
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2) How are materials transported?
Veins (Vascular Tissue)
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Plant transport Veins: contain vascular tissue
Xylem: transports water and minerals Up only Phloem: transports nutrients All directions
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3) What path does water takes through a plant?
Into roots Through xylem To leaves Out through stomates when guard cells are open
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4) What are root hairs? 5) What is root pressure?
Increase surface area for greater absorption 5) What is root pressure? Osmotic pressure in the xylem of a root
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6) What is capillary action?
Tendency of liquid to rise inside a narrow tube
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7) What is transpiration?
Evaporation of water off of leaves Transpiration pull: chief process that moves water through xylem
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8) How does CO2 get inside the leaf?
GUARD CELLS OPEN STOMATES
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Let’s think… Should the stomates always be open?
WATER VAPOR
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9) What happens if they are always open?
IT WILTS
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10) When should the guard cells close the ________?
stomates Dry Sunny day
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11) The stomates and guard cells help maintain _______ in homeostasis.
WATER Dry Sunny day Humid day
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12) When stomates are open they let in ________and let out _______.
CO2 O2
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13) Which illustration below demonstrates a leaf on a hot, humid day?
Why?
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