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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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Spiral Roots What is Spiral Root? Negative Geotropism Over Packing Saturation of media Heavy tray 200 cell tray = 8.3 lbs Tray sinks lower into water Spiral Root ...
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Types of Tropism Hydrotropism Thermotropism Geotropism/Gravitropism Thigmotropism Phototropism Heliotropism Working Together References ...
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Auxins move laterally away from light ... In shoot: high auxin concentration in lower side stimulates shoot growth negative geotropism ...
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Natural (made by plants) also called hormones. Synthetic (man-made) Also called PGRs (plant growth ... Gravitropism (geotropism) plant response to gravity ...
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Multi-cellular organisms specialization increases until ... Geotropism plant's roots grow toward the center of the Earth due to gravity. 6. Reproduction ...
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A plant s growth response towards or away from a stimulus Growing towards a stimulus is a positive response Growing away from a stimulus is a negative response ...
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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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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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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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Plant Hormones Plant growth regulators What does a plant need to respond to in its environment? Light Water Gravity How are plant growth factors different from animal ...
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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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... natural auxin in plants Promotes elongation & secondary growth Apical meristem is the major site of auxin production Inhibits lateral growth Induces female ...
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Mass Movement Gravity causes mass movement which is any one of several processes that move sediment downhill. Creep the very slow downhill movement of rock and soil.
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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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Control Systems in Plants. Plant Hormones. What is a Plant hormone? ... Plants synthesize Pr in dark. if phytochrome illuminated then Pr---Pfr ...
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Title: 5 Author: b Last modified by: User Created Date: 3/9/2004 6:22:20 AM Document presentation format
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Fitness and health Fitness is the ability to carryout day to day activities Health is being free from disease There are 4 main types of fitness :
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Coordination in plants Response of plants to the stimulus is much slower and usually respond to stimulus movement of growth. This sort of response is called a TROPISM.
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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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REGULATION OF PLANT GROWTH The external factors affecting plant growth are: light temperature humidity oxygen carbon dioxide soil water ...
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Stimulus & Response Types of Stimuli A stimulus can either be external or internal. External stimuli- come from factors found in the environment.
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Other Effects of Auxin Auxin stimulates the growth of cambium when a tree stem is under stress ... It is auxin which allows plants to move or bend in response to light.
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B5 Growth and Development OCR 21st Century M Barker Shirebrook Academy
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The Movement of Plants and their responses - ...
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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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Plant growth regulators * Auxins APICAL DOMINANCE PHOTOTROPISM Growth promoters i.e. promote cell enlargement and growth, are involved in phototropism and apical ...
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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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Plant Growth and Adaptations Chandelier Tree - California Venus Fly Trap Soil and Minerals Soil contains a number of important nutrients needed by plants.
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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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Plant Responses to Internal & External Signals
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Title: Unit 2 Author: Humphrey Jones Last modified by: Humphrey Jones Created Date: 3/15/2006 10:09:48 AM Document presentation format: On-screen Show (4:3)
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Plant Growth Regulators Chemical Messengers Hormones In plants, many behavioral patterns and functions are controlled by hormones. These are chemical messengers ...
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Developing Quality Open Response and Multiple Choice Items for the Classroom Kentucky Department of Education Presenters Sean Elkins and Mark Kopp Curriculum ...
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... Only when an organism makes repairs to cells As part of active ... speciation 10 A single strand of DNA with the base ... break down nitrogen ...
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History of Evolution James Hutton & Charles Lyell Hutton - rocks are in layers, which form very slowly; proposed that the Earth is millions of years old.
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History of Evolution James Hutton & Charles Lyell Hutton - rocks are in layers, which form very slowly; proposed that the Earth is millions of years old.
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Slide 1 ... Plant Responses
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Seedling Q with radicle pointing upwards. Seedling R with radicle pointing downwards ... All the radicles and plumules grow straight because the effect of ...
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Plants & Photosynthesis A Dr. Production Root Anatomy Root Anatomy Flowers The flower is the centerpiece of angiosperm reproduction Double Fertilization STAMEN Anther ...
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Plant Systems Jeopardy Bits & Bites Classify Me Structure & Function Pass Me a Tissue Plants in the Ecosystem 100 100 100 100 100 200 200 200 200 200 300 300
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UNIT 3 The interaction function THIS IS HOW PLANTS REACT Natural Science 2. Secondary Education There are 3 types: UNIT 3 This is how plants react PLANT REACTIONS ...
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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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Nastic Movement Definition Nastic Movements are plant movements that are in response to a stimulus (non-directional) Examples:. Temperature, Humidity, & Light ...
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Plant Growth Requirements http://expage.com/page/waxnsteel Topic 2019 By Matt Jakubik http://199.212.16.18/msc/as/index_e.html
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Plant Responses to Abiotic Environment Biological orientation of plants Tropisms: when growth toward stimulus it is positive and vice versa. Taxes: occur in algae ...
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Understanding Organisms (OCR Gateway) W Richards The Weald School B1a Fitness and Health Modern diets and health problems The Circulatory system Arteries and ...
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Plant Growth Regulators AKA Plant Hormones Plant Growth Regulators - control growth, development and movement
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Plant Hormones & Tropisms Abscisic acid (ABA) Incorrectly named, not related to abscission, slows plant growth Important in drought stress and other stresses Causes ...
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Plant Hormones & Tropisms Controls of growth, development and movement Gibberellins are involved in bolting of rosette plants Gibberellin induces stem elongation in ...
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Plant Biology and Production
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Help seeds break dormancy. Induce biennials to flower in one year (significant in horticulture) ... Stimulates bud scales over buds to prepare them for dormancy. ...
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Leaves and the Use of Microscopes Unit 1 - Biology
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Title: Slide 1 Author: MARTIN HUSS Last modified by: MHUSS Created Date: 4/12/2006 10:58:09 PM Document presentation format: On-screen Show Company
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