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20.2 Habitat destruction

Syllabus
0610–2026–2027
Topic
20.2
Level

20.2.1—Biodiversity as the number

  • Describe biodiversity as the number of different species that live in an area

20.2.2—Reasons for habitat destruction

  • 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

20.2.3—Through altering food webs and food

  • State that through altering food webs and food chains, humans can have a negative impact on habitats

20.2.4—Undesirable effects of deforestation

  • 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

Objective notes

4 learning objectives
ConceptIGCSE Biology