IB Biology D3.1: Reproduction (first exams in 2025)

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here

This PowerPoint contains everything you need to teach the Theme/Unit D3.1: Reproduction in the new IB Biology specification.

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This Powerpoint consists of over 85 slides and contains the followings:

All the information the IB have included in the new spec.

• Clear diagrams
• Student friendly content
• Summary videos
• Student research tasks
• Clearly identified HL and SL content
• Student checklist
• Summary

The following content is included:

D3.1.1: Differentiate between sexual and asexual reproduction.
D3.1.2: Describe the role of meiosis in creating variation in sexually reproducing organisms.
D3.1.3: Compare the differences between the male and female sexes.
D3.1.4: Draw diagrams of the male (typical) and female (typical) reproductive systems.
D3.1.5: Annotate the names of the parts and their functions on the diagrams.
D3.1.6: Describe the hormonal regulation of the menstrual cycle.
D3.1.7: Elucidate the sequence of events leading to fertilisation.
D3.1.8: Explain the role of hormones in IVF.
D3.1.9: Describe the mechanism of sexual reproduction in plants.
D3.1.10: Explain the features of insect-pollinated flowers.
D3.1.11: Draw annotated diagrams of insect pollinated flowers.
D3.1.12: Describe strategies that facilitate cross-pollination in plants.
D3.1.13: Determine the role of self-incompatibility mechanisms in increasing genetic variation in a plant species.
D3.1.14: Explain the mechanism of seed dispersal and germination.
D3.1.15: Outline the role of GnRH, LH, FSH and the sex hormones in the changes associated with puberty.
D3.1.16: Describe oogenesis and spermatogenesis in humans.
D3.1.17: Identify the mechanisms that prevent polyspermy.
D3.1.18: Outline the development of the blastocyst and subsequent implantation in the endometrium.
D3.1.19: State the role of hCG in pregnancy and pregnancy testing.
D3.1.20: Describe the role of the placenta during foetal development.
D3.1.21: Discuss the role of hormones in maintaining pregnancy and initiating childbirth.
D3.1.22: Correlate between HRT and risk of coronary heart disease