Unit 8 · Environmental Biology
The three levels of biodiversity, Sri Lanka as a biodiversity hotspot with its endemic species, the values of biodiversity and ecosystem services, and the causes of its loss.
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.