Biology · A-Level · Edexcel · Edexcel A-level Biology B - 9BI0 · Specification point · 10.3 · Ecosystems
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10.3 Changes in ecosystems
| Students should: |
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i Understand how ecosystems can develop over time, including use of the terms colonisation and succession and types of climax communities. ii Understand the effects of biotic and abiotic factors on population size. CORE PRACTICAL 16: Investigate the effect of one abiotic factor on the distribution or morphology of one species taking into account the safe and ethical use of organisms. |