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Trophic levels — OCR GCSE Biology A J247
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Biology
OCR GCSE Biology A
Community level systems
Ecosystems
Trophic levels
OCR GCSE Biology A · J247
Trophic levels
What you need to know
Describe the differences between trophic levels in an ecosystem.
Use the terms producer and consumer.
Revision notes
1
Trophic levels
8 key terms
Practise with past papers
Key terms & definitions
Previous subtopic
Interdependence and competition
Next subtopic
Pyramids of biomass
