Learning objective
Explain that plants respond to light and gravity using unequal distributions of plant hormones.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
Plant hormones (biology only)
Subtopic
Control and coordination
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Understand this objective
Quick explanation
Explain that plants respond to light and gravity using unequal distributions of plant hormones
- This point belongs to Plant hormones (biology only), especially Control and coordination.
- You need to be able to explain that plants respond to light and gravity using unequal distributions of plant hormones.
- The key ideas to know are light, plant hormones, and gravity.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect Control and coordination to exam-style questions, flashcards, and revision notes for Plant hormones (biology only).
Quick student answer
How do you explain plants respond to light and gravity using unequal distributions of plant hormones?
Direct answer
In Biology, this page helps you answer questions about plants respond to light and gravity using unequal distributions of plant hormones within Plant hormones (biology only). Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are Phototropism and Gravitropism.
Key terms
- Phototropism: A growth response in plants where they bend towards light due to the unequal distribution of plant hormones.
- Gravitropism: A growth response in plants where roots grow downwards and shoots grow upwards in response to gravity, influenced by the distribution of plant hormones.
Common trap
Misunderstanding Plant Hormone Distribution: To fix this, students should focus on understanding how auxins are distributed differently in response to light and gravity, leading to varied growth rates in different parts of the plant.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Describe plant hormones as chemicals that coordinate and control plant growth and responses.
Control and coordination
- Describe phototropism as a plant growth response to light.
Control and coordination
- Describe gravitropism, or geotropism, as a plant growth response to gravity.
Control and coordination
- Explain how unequal distribution of auxin causes unequal growth in shoots and roots.
Control and coordination
- Explain (HT only) that gibberellins are important in initiating seed germination.
Control and coordination