Investigate tropisms that plants exhibit in response to changes in their environment 0407.5.3

Links verified 10/25/2010

1. Importance of Tropism - lesson plan from Discovery Education [designed for grades 6-8, but appropriate for this standard]
2. Plant Tropic Responses - time-lapse movies which demonstrate phototropic and gravitropic responses in several different plants
3. Plant Tropisms - a demonstration web page by John Foster designed as part of an MSc. in Biological Computation at The University of York [this expired page is from the Internet Archive known as the Wayback Machine]
4. Sunflower Shoot Gravitropism - 180 frames filmed over 5 hours [1 minute] [this expired file is from the Internet Archive known as the Wayback Machine]
5. Tropisms - Wikipedia lists, and explains, several types of tropisms
6. Tropism - a growth movement whose direction is determined by the direction from which the stimulus strikes the plant
7. Tropisms - a four part lesson; introduction, animation, conclusion, and a three-question quiz
   

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