IGCSE Biology -CIE- Topic 20- Human influences on ecosystems powerpoint.
This is a powerpoint presentation of topic 20- Human influences on ecosystems. It is suitable for CIE Biology (0610 and 9700). The file is fully editable and contains 23 slides that are well organised following the sub-topics of:
20.1 Food supply
20.2 Habitat destruction
20.3 Pollution
20.4 Conservation
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