Cambridge IGCSE Combined Science, topic 16
Human influences on ecosystems
Humans change ecosystems when they build, farm and extract resources. This topic looks at biodiversity, why habitats are destroyed, the effects of deforestation, and why species become endangered and how they are conserved.
Revision notes
Worksheet
FlashcardsSubtopics
Work through them in order. Each one has notes, exam questions and flashcards, and a PDF of each. Subtopics that are not in 0653 are left out.
- 1Habitat destruction Spec B16.1Biodiversity, the reasons habitats are destroyed, and the five undesirable effects of deforestation.NotesQuestions 5Flashcards 4
- 2Conservation Spec B16.2What endangered and extinct mean, the causes of endangerment and extinction, and how endangered species can be conserved.NotesQuestions 2Flashcards 3
Not in Cambridge IGCSE Combined Science: Food supply, Pollution.
Whole topic
When you have done the subtopics: test yourself on everything, or print the lot.