Biology Book 2 Answers , Edexcel International A Level l PDF
This document contains detailed answers and explanations for the IAL Biology SB2 topics, including photosynthesis, ecology, microbiology, immunity, and climate change. It provides checkpoint questions, exam practice answers, and concept explanations to support students in mastering key biological concepts. Useful for revision, self-study, and exam preparation in the Pearson IAL Biology syllabus.