Topic B9: Ecosystems and material cycles (Edexcel GCSE Biology)

This bundle of 9 lessons covers a lot of the content in Topic B9 (Ecosystems and material cycles) of the Edexcel GCSE Biology specification. The topics covered within these lessons include:

Levels of organisation in an ecosystem
Biotic and abiotic factors
Interdependence
Types of ecological relationships
Sampling techniques
Efficiency of biomass transfer
Human impacts on ecosystems
Maintaining and increasing biodiversity
The carbon cycle
The nitrogen cycle
Decomposition
The rate of decay

All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.