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Photoperiodism, Gravitropism, and Thigmotropism AP Biology Unit 5 Photoperiodism How a plant responds (with respect to flowering) to the relative amount of light ...
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... Pathways A hormone binds to receptor and stimulates secondary messengers which Activates cell responses Plant Movements Phototropism Gravitropism Thigmotropism ...
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Thigmotropism This plant responds to touch by wilting. What advantage may this be to the plant? Photoperiodism - Some plants respond to the amount of daylight ...
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Plant growth and development The need to explain tropisms: re-direction of growth in response to light, PHOTOTROPISM gravity, GEOTROPISM touch, THIGMOTROPISM The ...
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A length of stem that includes lateral buds is ... thigmotropism. Gravitropism and Phototropism ... Thigmotropism. Response of plants to touch. Can stunt growth ...
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Types of Tropism Hydrotropism Thermotropism Geotropism/Gravitropism Thigmotropism Phototropism Heliotropism Working Together References ...
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Many have multiple effects in the plant. Many are produced in more than one part of ... Thigmotropism. Leaves may close (mimosa) Reponses to light. Phototropism ...
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What comes out of the stomata? What regulates the opening ... A plant grows toward a ... Thigmotropism. The plants response to TOUCH. This is why vines grow ...
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Caused by elongation (from auxin) of cells on shaded side ... Thigmotropism. Response to contact with a solid object. Navigate, wrap around objects (tendrils) ...
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Includes cone bearing plants (firs, pines) Thin, needle like ... grows in response to pressure. Thigmotropism = touch. climbing plants (vines with tendrils) ...
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EOCT Review and GHSGT Review in Biology Five Domains: Cells Organisms Genetics Ecology Evolution Plant and Animals Tropisms: Gravitropism Phototropism Thigmotropism ...
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The growth and development of a plant are influenced by ... Thigmotropism. growth response to touch. ex. pea tendrils wrapping around a wire. Hydrotropism ...
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Synthesized in one part of the plant and transported to another ... Cells on shaded side elongate causing plant to bend towards light. Thigmotropism. Stimulus ...
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... on the lighted side Light destroys auxin Light drives auxin to the shaded side Light eliminates auxin activity Tropism video Thigmotropism is growth ...
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Plants take in nutrients and make their own food : Animals depend on plants ... THIGMOTROPISM - Plants respond to solid objects; plants will grow around or over ...
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A. tropism - growth response that results in curvature of a whole organ toward ... 3. thigmotropism - response to touch. B. turgor movements ...
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... growth toward or away from a gravitational source Thigmotropism growth toward or away from a touch Vines grow toward a support and then grow toward ...
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Thigmotropism plant response to touch. Diverting the direction of a plant, mechanical stimuli can cause plant growth patterns to be altered.
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A piece of lateral bud is cut from the parent plant and attached to another plant. ... Light -- Phototropisms -Gravity -- Gravitropisms -Touch -- Thigmotropisms ...
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thigmotropism. Station 18. Gravitropism and Phototropism ... Phototropism: response of a plant to light ('bending' toward the light) Thigmotropism ...
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Tropisms BINGO Write any 8 into your grid selective weed killer plant growth regulators IAA (indoleacetic acid) stimulus: (plural = stimuli) abscission ethene ...
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Chapter 25 Plant Responses and Adaptations. Set Up Foldable Fold Long and Skinny (hotdog) Fold short and fat 2 times (hamburger) Open so looks like below, crease is ...
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Phototropism on the stems and leaves of a plant: Phototropism (growth in the direction of a light source) places the plant s stems and leaves in a more optimum ...
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Plants Sensory Systems and Hormones (yes, plants have hormones too!) Ms. Bush Plants and Photosynthesis Outline for today Seedling development Plants and light Plant ...
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7th Grade Unit 1: Organism Response to the Environment Lesson 2: Seedling Science Vocabulary of Instruction: Gravity The force that pulls objects toward each other.
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Tropisms and Growth Accelerated Biology * Tropisms Stimulus an environmental condition that causes a plant response Tropism growth of plant in a certain way ...
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Title: PowerPoint Presentation Author: Sima Mathew Last modified by: Cynthia.Chesser Created Date: 3/29/2002 4:19:40 AM Document presentation format
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... drop Plant Hormones Ethylene = for fruit ripening & drop or leaf & flower drop Place fruits in a brown bag to trap ethylene gas ... life cycle in one growing ...
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Plant Responses and Adaptations Chapter 25: Biology II Plant Hormones Chemical substances that control: A plant s patterns of growth and development A plant s ...
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Title: Lecture #17 Date _____ Author: Chris Hilvert Last modified by: s.moser Created Date: 2/12/2001 3:39:05 PM Document presentation format
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Apical meristems. Root meristems. Cambiums. vascular cambium. cork cambium ... Apical dominance. Weaker. Stronger. 8/10/09. Cytokinins ...
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Lecture Date _____ ... germination of seed and bud; stem elongation; leaf growth ... growth/development of roots, leaves, and flowers; senescence Daily and ...
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KEY CONCEPT Plant hormones guide plant growth and development. Plant hormones regulate plant functions. Hormones are chemical messengers. produced in one part of an ...
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Chapter 38 Angiosperm Reproduction Angiosperms have 3 unique Features: Flowers Fruits Double Fertilization (by 2 sperm) REPRODUCTIVE VARIATIONS Pollination: transfer ...
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KEY CONCEPT Plant hormones guide plant growth and development. Plant hormones regulate plant functions. Hormones are chemical messengers. produced in one part of an ...
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AP Biology Chapter 39 Plant Responses to Internal and External Signals Plant hormones Hormone: chemical signals that coordinate parts of an organism; produced in one ...
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Ch. 39 Warm-Up Elaborate on the ... Signals Experiments with Light and the coleoptile Excised tip placed on agar block Growth-promoting chemical diffuses into agar ...
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The Movement of Plants and their responses - ...
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Lesson 13 Understanding Plant Growth Regulators Interest Approach Start a discussion on the obvious effects of human hormones. Ask what the students know about ...
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Plants 2 general groups: 1. bryophytes (non vascular plants) 2. vascular plants Adaptations for colonizing land: * Vascular plants only 1. *cuticle waxy covering ...
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Lesson 8 Understanding Plant Growth Regulators
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Plant Structure, Growth and Transport Chapters 35, 36 & 39 (in brief) Biology Campbell Reece Structure of Seed Plants 3 organs roots, stems, & leaves ...
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Plant Responses/Behavior Cell division, germination, cell differentiation, flowering, fruit ripening, root growth, branching, etc Tropisms Growth response toward ...
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Title: PowerPoint Presentation Author: MISD Last modified by: McKinney ISD Created Date: 4/4/2006 1:38:51 PM Document presentation format: On-screen Show (4:3)
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100 100 100 100 Final J!! 200 200 200 200 300 300 300 300 400 400 400 400
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Plant Structure and Tissue http://www.howe.k12.ok.us/~jimaskew/
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Ceneraria leaves rolled in from the sides in response to exposure to ethylene. Less ... Leaf Abscission. Petiole. Separation. Layer. Protective. Layer (suberized) ...
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... meristem and is found in young leaves and in flowers and fruits ... or flower to drop ... require a specific sequence of day lengths in order to flower ...
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Stimulus and Response Why animals and plants do what they do OR A fancy way of saying cause and effect in the animal world. Describe a situation in which you were ...
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Stimulus and Response Why animals and plants do what they do OR A fancy way of saying cause and effect in the animal world. Describe a situation in which you were ...
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1 Unit Goals (as they relate to plants) Students will analyze the nature of the relationships between structures and functions in living cells.
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Slide 1 ... Plant Responses
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Chapter 26: Response in the flowering plant Leaving Certificate Biology Higher Level Growth Regulation Growth of plants is controlled by growth regulators Growth ...
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... plants cycle at about every 26 hours Light keeps the biological clock set to about 24 hours jet lag may occur in all eukaryotes Plant Defenses Defenses ...
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