pptx, 5.15 MB
pptx, 5.15 MB

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 A4.1 Evolution and speciation in the new IB Biology specification

This Powerpoint consists of 56 slides and contains the followings:

All the information ( HL and SL) the IB have included in the new spec.
Exam tips
Clear diagrams
Videos
Student research tasks
Clearly identified HL and SL content
Student checklist

The following content is included:

A4.1.1: Evolution as change in heritable characteristics of a population.
A4.1.2-5: Evidence for evolution
A4.1.5-7: Speciation
A4.1.8: Types of speciation: allopatric vs sympatric (HL only)
A4.1.9-10: Adaptive radiation and barriers to hybridisation (HL only).
A4.1.11: Hybridisation and polypoid in speciation (HL only)

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