Unit 4 · Plant Form and Function
Drought, cold and salt stress, and the pre-existing and induced structural and chemical defences against herbivores and pathogens.
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.