Sexual reproduction in humans — Difficult
Transfer your understanding to a changed context, justify decisions and check your reasoning. No hints during the test.
Includes extension practice
Reproductive organs, fertilisation and ovarian/uterine cycle changes are required; sex-hormone knowledge is explicitly not required here. Gamete adaptations, fetal support/placenta and FSH/LH/oestrogen/progesterone control are additional content.
Easy, Normal and Difficult describe practice demand; they are not the official Core and Extended tiers.
- Cambridge 0653 syllabus2028–2029 · B14.2.1–4
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