Biology (Separate Science) · GCSE · Edexcel · Edexcel Level 1/Level 2 GCSE (9–1) in Biology (1BI0) (Higher) · Specification point · 9.16B · Ecosystems and material cycles
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Students should:
| Students should: | Maths skills |
|---|---|
9.16B Evaluate the use of indicator species as evidence to assess the level of pollution, including: a polluted water – bloodworm, sludgeworm b clean water – freshwater shrimps, stonefly c air quality – different species of lichen, blackspot fungus on roses | 2c, 2g 4a, 4c |