The presenters build a plant cell and describe the role of each component.
An animal cell is built showing the role of the membrane, nucleus and cytoplasm.
How Mendel's work with pea plants demonstrated dominant and recessive inheritance.
Introduction to evolution from cloning of single-celled organisms to sexual reproduction.
Simple food webs, food chains, population changes and their effects on food webs.
Gaseous exchange in the lungs and the important role played by the alveoli is explained.
An introduction to habitats and ecosystems, using a seashore and woodland as examples.
How farmers manipulate growing conditions to improve quality and yield in crops.
We have a selection of learner guides