Plant and Animal Behavior

Plant and Animal Behavior PowerPoint PPT Presentation


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Plant and Animal Behavior. Objectives. Plant and Animal Behavior. Assess and examine plant tropisms and other responses including: phototropism, thigmotropism, geotropism.Evaluate the survival of organisms and suitable adaptive responses to environmental pressure such as: parental behavior, respon

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Plant and Animal Behavior

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1. Plant and Animal Behavior Adapted from Chapters 26 and 36 in Holt Biology

2. Plant and Animal Behavior Objectives

3. Plant and Animal Behavior Assess and examine plant tropisms and other responses including: phototropism, thigmotropism, geotropism. Evaluate the survival of organisms and suitable adaptive responses to environmental pressure such as: parental behavior, responses to environmental change. Assess, describe and explain types of animal behaviors such as: chemotaxis, phototaxis, reflexes, imprinting, and types of learned behavior. Analyze the biological clocks and rhythmic behavior of organisms. Evaluate and explain the evolution of behavioral adaptations and survival of populations.

4. Plant Hormones and Response

5. Plant Hormones and Response PLANT HORMONES Hormones = chemicals that are produced in one part of an organism and transported to another part, where it causes physiological change. Auxins – promote cell elongation Accumulate on dark side of a stem causing those cells to elongate more than cells on the light side. Cause stems to bend toward light. Gibberellins – plant growth hormone Stimulate cell elongation Increase rate of seed germination Increase rate of bud and fruit development

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