pptx, 49.57 MB
pptx, 49.57 MB

Designed for the new specification IGCSE Edexcel course but can be used for other examination boards.

Covers:

© Cycles within ecosystems

4.10 describe the stages in the carbon cycle, including respiration, photosynthesis, decomposition and combustion
4.11B describe the stages in the nitrogen cycle, including the roles of nitrogen fixing bacteria, decomposers, nitrifying bacteria and denitrifying bacteria (specific names of bacteria are not required)

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