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Biology Lesson Idea: Plants, Tropisms and Hormones

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Published on Oct 29, 2012

For more films like this visit http://www.twig-world.com
Discover the hormones that dictate whether a plant grows downwards with gravity, towards water and nutrients, or upwards towards light.

  • Category

  • Song

    • Tiriba Balafon
  • Artist

    • John Knecht
  • Album

    • The Birthplace of Rhythm
  • Licensed to YouTube by

    • CD Baby

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