100+ Thigmotropism PowerPoint (PPT) Presentations, Thigmotropism PPTs

Thigmotropism - PowerPoint PPT Presentation

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????????????????. umaporn. AUXIN. Auxin [IAA] = Indole Acetic Acid . Gibbereliin. Gravitropism. Gravitropism. Gravitropism. Thigmotropism. Hydrotropism. Phototropism. NASTIC MOVEMENT. NUTATION MOVEMENT.

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772 views • 42 slides

Ch. 39 Plant Responses to Internal and External Signals

Ch. 39 Plant Responses to Internal and External Signals. 39.1 Signal transduction pathways link signal reception to response. 39.2 Plant hormones help coordinate growth. Hormones control plant growth and development by affecting the division, elongation, and differentiation of cells.

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432 views • 20 slides

What does it take to be alive

What does it take to be alive. Must have the chemicals of life. These are organic chemicals containing carbon, hydrogen and oxygen as well as others (nitrogen, sulfer ) These make up cells and organelles and help the organism to carry out life functions. Must use energy.

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335 views • 19 slides

Plant behaviour

Plant behaviour. Plant BEHAVIOUR?!. Plants are also influenced by external factors/stimuli. Behaviour = reaction to stimulus. Tropisms. The growth of a plant in response to a stimulus Light Water Gravity Touch. Light tropism. Also called PHOTOTROPISM

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383 views • 17 slides

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Thigmotropism - PowerPoint PPT Presentation

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Ch. 39 Plant Responses to Internal and External Signals

What does it take to be alive

Plant behaviour