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Indicator Species — Edexcel GCSE Biology 1BI0
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Biology
Edexcel GCSE Biology
Ecosystems and Material Cycles
Pollution and Decay
Indicator Species
Edexcel GCSE Biology · 1BI0
Indicator Species
What you need to know
Evaluate the use of indicator species to assess pollution levels.
Identify bloodworm and sludgeworm as indicators of polluted water.
Identify freshwater shrimps and stonefly as indicators of clean water.
Identify lichen and blackspot fungus as indicators of air quality.
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Indicator Species
2 key terms
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Previous topic: Material Cycles
Nitrogen Cycle
Next subtopic
Decomposition in Food Preservation
