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Notes / Edexcel International GCSE Biology

Ecology and the Environment

5 pages.

1Populations and Sampling
2Feeding Relationships
3The Carbon and Nitrogen Cycles
4Air Pollution and the Greenhouse Effect
5Water Pollution and Deforestation

All of Edexcel International GCSE Biology

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Revision notes for GCSE, IGCSE and A-level, written from the mark schemes rather than the textbook.

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GCSE and IGCSE (10 courses)
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All notes are original work. Not affiliated with, endorsed by, or connected to AQA, OxfordAQA, Pearson Edexcel or Cambridge International Education. Specification codes are used to identify the course a set of notes covers.