Sunlight, temperature and soil pH can all be measured with specific equipment.

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Revise: Apparatus and techniques

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  • Revise: Ecosystems
  • Revise: Distribution of organisms
  • Revise: Photosynthesis
  • Revise: Energy in ecosystems
  • Revise: Food production
  • Revise: Evolution of species
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  • BBC Science
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  • SQA National 5 Biology
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