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Life Sciences · Grade 12

LIFE SCIENCES
GRADE 12

Matric biology — from DNA and genetics to the nervous system and evolution. Exam-focused with past paper practice throughout.

Course Topics

WHAT'S COVERED

DNA — The Code of Life
Structure, replication, protein synthesis
Meiosis & Genetic Recombination
Crossing-over, independent assortment
Genetics & Inheritance
Monohybrid, dihybrid, sex-linked traits
Evolution by Natural Selection
Darwin, evidence, mechanisms
Human Evolution
Fossil hominid record, cladistics
The Nervous System
Neurons, brain, spinal cord, reflexes
The Endocrine System
Hormones, feedback loops, homeostasis
The Reproductive System
Male/female anatomy, hormonal control
Responding to the Environment
Plants — tropisms, phytochrome
Human Impact on Biodiversity
Overexploitation, invasive species, conservation
Sustainability of Ecosystems
Nutrient cycles, carrying capacity, threats
Exam Strategies & Tips
NSC paper structure, time management, scoring
Study Materials

GET YOUR NOTES

Life Sciences Grade 12 Notes
Full CAPS-aligned notes · Subscribe to access
Past Exam Papers — Life Sciences
Previous NSC papers with full memos
DBE Official Past Papers
Free NSC papers from education.gov.za

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