Welcome to year 9 biology
Transport in plants
Human reproduction
Plant reproduction
Inheritance and selection
Transport in Humans
Respiration
Ecosystems
Human influences on the environment
Practice on Seneca
Photosynthesis
Leaf Structure
Gas exchange in a leaf
Xylem and Phloem
Lesson 1: The leaf
Lesson 2: Tissues in the leaf
Test yourself
Structure of a leaf
