D4.2.15 (HL)—Climax communities and arrested succession Topic Practice
D4.2.15 (HL)—Climax communities and arrested succession Topic Practice

IB Biology syllabusBiology SL/HLFirst assessment 2025
Students practise analysing management interventions and community composition data to identify arrested succession and climax characteristics.
How this is tested
- identify arrested succession in grassland or heathland by linking mowing, grazing, or drainage to persistent
- explain how local abiotic factors shape the structure and species composition of a climax community
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