Levels of Organisation

This video explores Levels of Organisation in ecosystems and how energy and materials move between organisms and their environment.

🌱 Key topics covered:
• Producers and photosynthesis
• Food chains and trophic levels
• Primary, secondary and tertiary consumers
• Predators and prey
• Predator–prey cycles
• Food webs and feeding relationships
• Quadrats and transects
• Distribution and abundance of species
• Mean, mode and median
• The carbon cycle
• The water cycle
• Role of microorganisms in material cycling
• Recycling carbon dioxide and mineral ions in ecosystems

Perfect for GCSE Biology revision, exam preparation and understanding ecology, food chains and nutrient cycles.