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Organisms exchange substances with their environment (3.3)
›
Mass transport in plants (3.3.4.2)
Study notes
Overview
Favourites
A Level essentials
Practical biology for exams
Biological molecules (3.1)
Cells (3.2)
Organisms exchange substances with their environment (3.3)
Surface area to volume ratio (3.3.1)
Gas exchange (3.3.2)
Digestion and absorption (3.3.3)
Mass transport in animals (3.3.4.1)
Mass transport in plants (3.3.4.2)
Genetic information, variation and relationships between organisms (3.4)
Energy transfers in and between organisms - A Level only (3.5)
Organisms respond to changes in their internal and external environments - A Level only (3.6)
Genetics, populations, evolution and ecosystems - A Level only (3.7)
The control of gene expression - A Level only (3.8)
Study notes
Overview
Favourites
A Level essentials
Practical biology for exams
Biological molecules (3.1)
Cells (3.2)
Organisms exchange substances with their environment (3.3)
Surface area to volume ratio (3.3.1)
Gas exchange (3.3.2)
Digestion and absorption (3.3.3)
Mass transport in animals (3.3.4.1)
Mass transport in plants (3.3.4.2)
Genetic information, variation and relationships between organisms (3.4)
Energy transfers in and between organisms - A Level only (3.5)
Organisms respond to changes in their internal and external environments - A Level only (3.6)
Genetics, populations, evolution and ecosystems - A Level only (3.7)
The control of gene expression - A Level only (3.8)