Skip to content
Toggle Sidebar
Pricing
Home
Subjects
Past Papers
Key Terms
My Courses
Select your courses
Biology A
Community level systems
Ecosystems
Material cycling
Material cycling
OCR GCSE Biology A (J247) — Community level systems
What You Need to Know
Identify that materials such as nitrogen and carbon cycle through abiotic and biotic ecosystem components.
Revision Notes
1
Material cycling
20 key terms
Practise with Past Papers
Key Terms & Definitions
Previous Section: Organism level systems
Response to challenges
Next Subtopic
Role of microorganisms
