Unit Award Scheme

shown knowledge of

1. the definitions of the ecological terms 'habitat', 'population', 'community', 'ecosystems' and 'biomes'

2. the meaning of the term 'biodiversity', ie the variety of different species of organisms on Earth or within an ecosystem

3. at least two examples of environmental change that are caused by abiotic factors

4. at least two examples of environmental change that are caused by biotic factors

5. the correlation between high biodiversity and a stable ecosystem

6. how human actions are reducing biodiversity, eg deforestation.