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Plant Tropisms!

Plant Tropisms!. Student Expectation (SE) 10B – describe the interactions that occur among systems that perform the functions of transport, reproduction, and response in plants. 1. Can plants move?. Tropism. Stimulus. a signal from the environment.

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Plant Tropisms!

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  1. Plant Tropisms! • Student Expectation (SE) 10B – describethe interactions that occur among systems that perform the functions of transport, reproduction, and response in plants.

  2. 1. Can plants move? Tropism Stimulus a signal from the environment. • movement in a plant in response to a stimulus. • Regulated by hormones transported by vascular tissue https://Phototropism

  3. Positive VS. Tropism Positive tropism Negative Tropism to move away from a stimulus • to move toward a stimulus

  4. a. Phototropism- response to light • Auxins - plant hormones responsible for a plant’s response to light and gravity.

  5. 4. Explain how cell growth in a plant helps it grow towards a light source?

  6. b. Gravitropism- response to gravity

  7. https://Attenborough Vines https://Venus Fly Trap c. Thigmotropism- response to touch (vines)

  8. d. Hydrotropism- response to water

  9. Let’s Review • Click to Review http://Plant Tropism Review

  10. STIMULUS GRAVITY LIGHT WATER TROPISM RESPONSE 6. Tropism PRACTICE geotropism phototropism hydrotropism no response negative shoot positive root negative positive positive

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