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Biology journal Cambridge IGCSE 0610

Topic 20 of 21 · 3 modules planned

Human influences on ecosystems

How farming, pollution and habitat loss affect ecosystems, and how we can conserve them.

Modules

  1. Module 1 · syllabus 20.1, 20.2

    Food supply and habitat loss

    Can we grow more food without destroying habitats?

    This module is planned. It will have readings, an experiment, practice with self-checks and a final check.

Syllabus statements for this topic · for teachers · 20 statements

Core for every pupil · Supplement also for Extended entry. Paraphrased from the Cambridge IGCSE Biology 0610 syllabus (2026–2028); check the official syllabus for exact wording.

20.1 Food supply

  • 20.1.1How humans increased food productionC
  • 20.1.2Pros and cons of large monoculturesC
  • 20.1.3Pros and cons of intensive livestock farmingC

20.2 Habitat destruction

  • 20.2.1BiodiversityC
  • 20.2.2Reasons for habitat destructionC
  • 20.2.3Altered food webs harm habitatsC
  • 20.2.4Undesirable effects of deforestationC

20.3 Pollution

  • 20.3.1Untreated sewage and fertiliser in waterC
  • 20.3.2Effects of non-biodegradable plasticsC
  • 20.3.3Methane, carbon dioxide and climate changeC
  • 20.3.4Eutrophication sequenceS

20.4 Conservation

  • 20.4.1Sustainable resourceC
  • 20.4.2Sustainable forests and fish stocksC
  • 20.4.3Why species become endangered or extinctC
  • 20.4.4Conserving endangered speciesC
  • 20.4.5Conserving forestsS
  • 20.4.6Conserving fish stocksS
  • 20.4.7Reasons for conservation programmesS
  • 20.4.8AI and IVF in captive breedingS
  • 20.4.9Small populations lose genetic variationS