Homepage

Accessibility links

  • Skip to content
  • Accessibility Help
BBC Account
Notifications
  • Home
  • News
  • Sport
  • Weather
  • iPlayer
  • Sounds
  • Bitesize
  • CBeebies
  • CBBC
  • Food
  • Home
  • News
  • Sport
  • Reel
  • Worklife
  • Travel
  • Future
  • Culture
  • TV
  • Weather
  • Sounds
More menu
Search Bitesize Search Bitesize
  • Home
  • News
  • Sport
  • Weather
  • iPlayer
  • Sounds
  • Bitesize
  • CBeebies
  • CBBC
  • Food
  • Home
  • News
  • Sport
  • Reel
  • Worklife
  • Travel
  • Future
  • Culture
  • TV
  • Weather
  • Sounds
Close menu
Bitesize
  • Home
  • Learn
  • Support
  • Careers
    • My Bitesize
GCSE
AQA Trilogy

Biology (Combined Science)

Part of
Combined Science

Topics

Cell biology

  • Cell structure - AQA
  • Cell division - AQA
  • Transport in cells - AQA
  • Sample exam questions - cell biology - AQA

Organisation

  • Animal organisation - gaseous exchange systems - AQA
  • Animal organisation - digestion - AQA
  • Animal organisation - transport systems - AQA
  • Plant organisation - AQA
  • Non-communicable diseases - AQA
  • Sample exam questions - organisation - AQA

Infection and response

  • Communicable diseases - AQA
  • Treating, curing and preventing disease - AQA
  • Sample exam questions - infection and response - AQA

Bioenergetics

  • Photosynthesis - AQA
  • Respiration - AQA
  • Sample exam questions - bioenergetics - AQA

Homeostasis and response

  • Coordination and control - the nervous system - AQA
  • Coordination and control - the human endocrine system - AQA
  • Hormones in human reproduction - AQA
  • Sample exam questions - homeostasis and response - AQA

Inheritance, variation and evolution

  • Reproduction, the genome and gene expression - AQA
  • Genetic inheritance - AQA
  • Variation - AQA
  • Evolution - AQA
  • Classification of living organisms - AQA
  • Sample exam questions - inheritance, variation and evolution - AQA

Ecology

  • Adaptations, interdependence and competition - AQA
  • Organisation of an ecosystem - AQA
  • Biodiversity and the effect of human interaction on ecosystems - AQA
  • Sample exam questions - ecology - AQA

Practical skills

  • Practical skills for carrying out a scientific investigation

Explore the BBC

  • Home
  • News
  • Sport
  • Weather
  • iPlayer
  • Sounds
  • Bitesize
  • CBeebies
  • CBBC
  • Food
  • Home
  • News
  • Sport
  • Reel
  • Worklife
  • Travel
  • Future
  • Culture
  • TV
  • Weather
  • Sounds
  • Terms of Use
  • About the BBC
  • Privacy Policy
  • Cookies
  • Accessibility Help
  • Parental Guidance
  • Contact the BBC
  • Get Personalised Newsletters
  • Advertise with us
  • AdChoices / Do Not Sell My Info
Copyright © 2022 BBC. The BBC is not responsible for the content of external sites. Read about our approach to external linking.