• Meiosis (11 marks)
- Metaphase I and II
- Anaphase I and II
- Significance of meiosis
- Contribution to variation
- Down syndrome
• Reproduction in Vertebrates (6 marks)
- Internal and external fertilisation
- Ovipary, vivipary, ovovivipary
- Precocial, altricial
- Amniotic egg
• Human reproduction (31 marks)
- Diagrams:(Male and Female) reproductive system, sperm cell and egg cell
- Do not talk about egg cell
- Definition: fertilisation
- Hormones:FSH and LH; oestrogen and progesterone
- Development of foetus
• Responding to the environment (humans) (40 marks)
- Diagrams:Brain, eye, ear, reflex arch
- Accommodation
- Pupillary mechanism
- Hearing
• Human endocrine System (15 marks)
- Organ, hormone, function
• Homeostasis in humans (11 marks)
- Negative feedback mechanism
• Responding to the environment (Plants) (11 marks)
- Phototropism
- Geotropism
• Human impact (25 marks)
- Definitions: carbon footprint, food security, eutrophication
• DNA: code of life (27 marks)
- DNA
- RNA
- Protein synthesis
- Mutations: Gene and chromosomal aberration
• Meiosis (12 marks)
• Genetics and Inheritance (45 marks)
- Monohybrid crosses
- Dihybrid cross
- Pedigree diagram
- Sex linked disease
- Blood groups
- Inheritance of sex
• Evolution through natural selection (23 marks)
- Speciation
- Evolution through natural selection
- Darwinism and Lamarckism
• Human Evolution (43 marks)
- What we share
- How we differ (look at diagrams)
- Phylogenetic tree