D4.1 Natural selection - student friendly summary
Blue text shows extra clarification or guidance. Guiding questions SL and HL D4.1.1 - Natural selection drives evolutionary change.Natural selection operates continuously and over billions of years, resulting in the biodiversity of life on Earth.NOS: In Darwin’s time it was widely understood that species evolved, but the mechanism was not clear.Darwin’s theory provided a convincing mechanism and replaced Lamarckism....