Edexcel IGCSE Biology 2.51 Diffusion in unicellular organisms
Practise explaining why unicellular organisms exchange substances by diffusion across the cell surface without a transport system.
- Syllabus
- First assessment 2019
- Course
- Biology 4BI1
Practise explaining why unicellular organisms exchange substances by diffusion across the cell surface without a transport system.

Questions will appear here when available.