Biology · IGCSE · Cambridge · Cambridge IGCSE (9–1) Biology 0970 (Extended) (2026–2028) · Specification point · 20.2 · Human influences on ecosystems
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20.2 Habitat destruction
| Core | Supplement |
|---|---|
1 Describe biodiversity as the number of different species that live in an area | |
2 Describe the reasons for habitat destruction, including: (a) increased area for housing, crop plant production and livestock production (b) extraction of natural resources (c) freshwater and marine pollution | |
3 State that through altering food webs and food chains, humans can have a negative impact on habitats | |
4 Explain the undesirable effects of deforestation as an example of habitat destruction, to include: reducing biodiversity, extinction, loss of soil, flooding and increase of carbon dioxide in the atmosphere |