Gas Exchange and Transport in Plants HL IB Biology

Comprehensive review guide on gas exchange and transport in plants, perfect for IB Biology, A-Level Biology, or high school biology students preparing for exams and quizzes. These notes clearly explain: Gas exchange in leaves (stomata, guard cells, diffusion of CO₂ and O₂) Structure and function of xylem and phloem Transpiration process and water transport (adhesion, cohesion, transpiration pull) Translocation of sugars in the phloem (source-sink theory, pressure flow hypothesis) Adaptations in xerophytes and hydrophytes Diagrams and summaries for quick revision Key features: Concise and exam-focused Easy-to-understand explanations Covers all core concepts from the plant physiology unit Ideal for IB DP Biology SL/HL, A-Level Biology, AP Biology, or Cambridge IGCSE Biology Perfect for students looking for a condensed study guide to master plant transport systems and gas exchange in plants quickly.