The Hardy–Weinberg principle with a wild-flower example, its five conditions, and how changes in gene frequency lead to evolution, as in the peppered moth.
Deshapriya Senevirathne. B.Sc. (Hons) Biology Special, University of Peradeniya — graduated with a class pass. All the content and lessons in A/L Biology on Paadama are reviewed by Deshapriya Senevirathne, and the lessons are taught by him.