Cambridge IGCSE Biology
18.3Selection
Selection in Cambridge IGCSE Biology: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic22 practice questions1 lesson
Learning objectives
What the syllabus expects you to be able to do.
- 18.3.1Describe natural selection.
- 18.3.2Describe selective breeding and outline how it improves crop plants and domesticated animals over many generations, applying this to given contexts.
- 18.3.3Supplement: describe adaptation as a result of natural selection, describe antibiotic-resistant bacteria as an example, and outline the differences between natural and artificial selection.
Lessons
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Natural and artificial selection
19 min
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Sample question
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