docx, 9.99 MB
docx, 9.99 MB
docx, 601.09 KB
docx, 601.09 KB
docx, 601.1 KB
docx, 601.1 KB
docx, 36.79 MB
docx, 36.79 MB
docx, 10.24 KB
docx, 10.24 KB
docx, 37.32 MB
docx, 37.32 MB
pptx, 117.18 MB
pptx, 117.18 MB
NEW AQA GCSE THE LIVING WORLD CH 5 ECOSYSTEMS- 5 whole lessons, ppt and worksheets

50 slide ppt and 6 worksheets

Ppt includes interactive activities, discussion questions, map and graph resource questions and answers, and video links.

Topics covered include:
-Biotic and abiotic components within an ecosystem
-Food webs and food chains
- Physical and chemical interrelationships and linkages between components
-Pyramids of numbers, biomass and energy
-Nutrient cycle
-Case study of small scale UK ecosystem- Epping Forest
-Changes affecting ecosystem balance e.g. deforestation, climate change, drought and desertification
-Impacts of loss or gain of species on an ecosystem and how they can be re-balanced by management- how wolves change rivers.
-Distribution and characteristics of global ecosystems

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