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A COMPOUND PRODUCED BY ONE PART OF AN ORGANISM THAT IS TRANSPORTED TO OTHER ... FALLING STATOLITH HYPOTHESIS. STATOLITHS MAY ENHANCE GRAVITATIONAL SENSING IN PLANTS ...
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Animal Kingdom Pt 3 Dr. James Whitfield
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Fig. 7-0a - Estrella Mountain Community College
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Title: APPENDAGES CRUSTACEA Author: Kartono Last modified by: User Created Date: 3/23/2005 2:42:50 PM Document presentation format: On-screen Show (4:3)
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Plant Responses AP Biology Chapter 39
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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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Presenting Professional Talks J. Ellen Marsden Rubenstein School of Environment and Natural Resources University of Vermont http://www.uvm.edu/rsenr/nr385proskills/
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Title: Concept Map Author: Jeff Young Last modified by: Jeff Young Created Date: 12/1/2003 8:28:31 PM Document presentation format: On-screen Show Company
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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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... 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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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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Sensory Receptors
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Title: video Author: BCP User Last modified by: Sally Created Date: 7/11/2002 5:04:39 PM Document presentation format: On-screen Show (4:3) Company
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Plant Hormones Plant tropisms Growth in a particular direction in response to an external stimulus Early experiments Canary grass coleoptiles Classes Hormones Five ...
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Nematocysts: More firearm than syringe? Study sequenced mediterrean jellyfish, Rhopilema nomadica venom. Identifed unique mechanical ...
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graph of the magnitude of a biological response to light, as a ... FR. light. Phytochrome. photoreceptor molecule. Quantity, Time, Quality. Phytochrome Location ...
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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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Ablate columella cells and root will still grow ' ... Columella Cells ... Laser ablation of columella cells doesn't completely remove gravity response ...
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... Chapter 25: Plant Responses to the Environment Plant Hormones: 4) Ethylene ... Plant Responses to the Environment Hormonal Regulation of Plant Life Cycle: ...
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Chapter 39 Plant Responses to Internal and External Signals Shawn Koshy Peter Jandovitz Jason Lee Cody Pickel Edwin Mathieu Gravity Gravitropism is a response to gravity.
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erf: ethylene response factor. no transcription. Light is used by plants as a signal, as well as an energy source, ... Explain the importance of auxin in plants. ...
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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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Plant Growth Regulators AKA Plant Hormones Plant Growth Regulators - control growth, development and movement
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Discovery of Plant Hormones. Classes of Plant Hormones. Auxins. Cytokinins. Gibberellins ... long-day plant flowers when daylength increases ...
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Cytokinin sprays can help to keep cut flowers fresh. They delay aging by inhibiting protein breakdown, and stimulating RNA and protein synthesis.
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1 High cytokinin/auxin ratios favor the formation of shoots. 2 Low cytokinin/auxin ratios favor the formation of roots. Senescence ...
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Plant Responses to Internal and External Signals Plant Hormones Plant Movements Control of Daily and Seasonal Responses Phytochromes Plant Hormones Hormone-compound ...
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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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Plant Response to Stimuli Stimuli and a Stationary Life Plants, being rooted to the ground Must respond to whatever environmental change comes their way For example ...
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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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Skin Senses: Touch, Haptics, Nociception, Vestibular System Receptors The receptor cells in the skin are (mostly) called mechanoreceptors, and transduce mechanical force.
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insects, crayfish, crabs. single-lens eyes. Work like a camera. ... Common in jellyfishes, snails, squids, crayfishes & earthworms. 2. Vertebrate Mechanoreception ...
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Chapter 28 External factors and Plant growth Nastic Movement Nastic Movements- plants movement that occur in response to a stimulus independent of position of ...
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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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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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Vibration on oval window causes vibration of perilymph (fluid) in the cochlea ... 1. Age-related hearing loss in humans -gradual loss in the ability to hear ...
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Chapter 39: Plant responses to internal & external signals Plants= sessile must respond to environmental changes/cues by adjusting patterns of growth & development
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... (stimulate chemoreceptors) Electromagnetic/thermal energy (stimulate photoreceptors ... 4-5 cones see near ultra-violet light Many mammals have only 2 ...
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Figure 36.0 Eucalyptus trees Figure 36.1 An overview of transport in whole plants (Layer 3) Figure 36.1 An overview of transport in whole plants (Layer 4) Figure 36.2 ...
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dormancy during winter. flowering at appropriate times ... Seed dormancy = mechanism to protect seed from germinating during unfavorable conditions ...
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Photoperiodism flowering times, Long-day plants, night breaks induce flowering. Short-day plants, night breaks inhibit flowering.
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Neurophysiology, Muscular
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Floor of the cochlear duct is the basilar membrane ... located on the basilar membrane, with hair cells ... Sound waves cause the basilar membrane to vibrate. ...
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Chapter 39 Plant Responses to External and Internal Signals
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flower initiation. sex determination. fruit development. Control ... Promotion of flowering. Transport is non-polar, bidirectional producing general responses. ...
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Division: Cycadophyta Cycads are vascular, seed plants that are palm-like and are called Sago Palms. The leaves are found in a cluster at the tops of the trunks.
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chapter 7 radiate animals cnidarians and ctenophores 7-*
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Abscisic Acid Slows or inhibits plant growth.
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Chapter 32 Plant Growth and Development * * * * * * * * * * * * * * * * * * * How Do Seeds Germinate? Germination is the resumption of growth after a time of arrested ...
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Having 2 copies of each chromosome enables mutations to exist without resulting ... branches and trunks from the vascular cambium puts a new layer of secondary ...
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Sound waves in air travel through outer ear until they reach tympanic membrane ... inner ear has small calcium carbonate particles called otoliths ...
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Plant Responses to Internal and External Signals Chapter 39 Chapter 39 Response to stimuli Plants, being rooted to the ground must respond to whatever environmental ...
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Look at a longitudinal and cross section of a carrot (Daucus) root and be able to identigy the following structures: Cortex, stele, pericycle and lateral roots.
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Chapter 50 Sensory and Motor Mechanisms * * Figure 50.30 Exploring: The Regulation of Skeletal Muscle Contraction * Figure 50.30 Exploring: The Regulation of Skeletal ...
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... have unisexual flowers can either be monoecious or dioecious if staminate and ... flowers are on same plant, then are mono; if on separate plants, then dioecious ...
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