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CORE Biology (9221)
6 sections available · 28 chapters available
Free CORE Biology (9221) revision notes for Oxford AQA IGCSE students. Each chapter covers a key topic with worked examples and practice prompts you can take straight into the thinka app.
Organisation
Cell structure
Principles of organisation
Animal tissues, organs and organ systems
Plant tissues, organs and systems
Transport in cells
Bioenergetics
Photosynthesis
Exchange and transport in plants
Circulation
Digestion
Breathing
Respiration
Ecology
Energy transferred in ecosystems
Adaptations, interdependence and competition
Decay and the carbon cycle
The effect of human interaction on ecosystems and biodiversity
Organisms’ interaction with the environment
The human nervous and hormonal systems
Principles of homeostasis
Control of water and ion content of the body
Temperature control
Control of blood glucose
Infection and response
Inheritance
Reproduction
Cell division
Genetic variation
Genetic disorders
Genetic manipulation
Variation and evolution
Variation
Natural selection
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