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You study how traits pass from parents to offspring and how DNA carries the instructions behind them. You also learn how small changes and natural selection can shape populations over time.
You should already be comfortable with cells, chromosomes, and basic DNA structure. It also helps to know simple ideas about variation, reproduction, and adaptation.
One question from this skill's own question bank, shown with its full working.
The theory of evolution by natural selection was proposed by:
Working: Darwin proposed natural selection as the mechanism of evolution.
This topic normally appears in university and tertiary foundation biology as part of heredity, molecular genetics, and evolution. It supports later coursework and professional entrance tests that expect clear understanding of inheritance, mutation, and natural selection.
Curriculum notes are a general guide to where this work normally sits. Always check the syllabus your school or examination body is currently using.
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5 questions with a worked answer after every attempt, and a SmartScore that tracks how close you are to mastery.