Diffusion and Osmosis
Understand how substances move across cell membranes through diffusion and osmosis, and why osmosis is so important to plants and animals.
Understand how substances move across cell membranes through diffusion and osmosis, and why osmosis is so important to plants and animals.
The cell is the basic unit of life. Learn the structure of plant and animal cells, the functions of each organelle, and the key differences between them.
Learn the seven characteristics that define a living organism and how to distinguish living from non-living things — a core WAEC Biology topic.