Key term for Edexcel GCSE Biology, used in Pollution and Decay.
Segmented worms adapted to survive in environments with very low oxygen; their presence indicates high levels of organic pollution.
Sludgeworms appears in Edexcel GCSE Biology revision content for Ecosystems and Material Cycles, especially Pollution and Decay and Indicator Species.
Create a free account to access Edexcel GCSE Biology revision notes, track progress, and practise related key terms.
