• 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

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