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Exploring Plant Growth: Tropisms, Hormones & Gardening Techniques

Learn about plant growth mechanisms, tropisms, and plant hormones like auxin in this interactive lesson. Create a colorful comic strip showcasing different tropisms and the role of auxin production.

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Exploring Plant Growth: Tropisms, Hormones & Gardening Techniques

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  1. 21st October 2010 Plant Growth Bell Activity • In your books, write down: • Why you think plants grow. • How you think plants grow.

  2. 21st October 2010 Plant Growth • By the end of this lesson you will be able to… • Define phototropism and geotropism. • Explain the role of auxin. • Demonstrate knowledge of plant hormones • TIB – basis of understanding of gardening and agricultural techniques.

  3. Stimulus Response Tropism

  4. Geotropism

  5. Phototropism

  6. Plant Hormones • A hormone is a chemical messenger, it causes changes in how a plant or the body of an animal works. • Plants release chemicals which control the tropisms. The best known of these 'plant hormones' are the "auxins". • The auxins are released from the very tips of the shoots or roots.

  7. Comic Strip Your comic strip must: • Show one type of tropism on each line. • Give reasons why that tropism type is necessary. • Say where auxin is produced. • Use colour.

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