Human influences on the environment — Edexcel International GCSE Biology
Pollution by sulfur dioxide, carbon monoxide and sewage, greenhouse gases and global warming, eutrophication, and the effects of deforestation.
Revision notes
6 short notes, in the order of the specification.
- Air pollution: sulfur dioxide and carbon monoxide
- Greenhouse gases and human activities
- The enhanced greenhouse effect and global warming
- Water pollution by sewage
- Eutrophication
- DeforestationBiology only
Exam questions
7 exam-style questions (25 marks), each with its mark scheme.
Answer the questionsFlashcards
19 cards: flip them, mark what you knew, and practise the rest.
Practise the cardsMind map
The whole of ecology and the environment on one page, so you can see where this subtopic fits.
Open the mind mapPrint it
Free PDFs to print or save.