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Best selling Biology for the IB Diploma notes
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Class notes
Gas Exchange and Transport in Plants HL IB Biology
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---1September 20252025/2026
- 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 hypothes...
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Popular
$8.49 More Info
josi2
Newest Biology for the IB Diploma summaries
-
Class notes
Gas Exchange and Transport in Plants HL IB Biology
-
---1September 20252025/2026
- 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 hypothes...
-
New
$8.49 More Info
josi2