Unit 5 · Animal Form and Function
How animals obtain food: holozoic nutrition and its five stages, the four feeding groups with examples, and symbiosis (mutualism, parasitism and commensalism).
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.