

This 60-minute IB DP Biology lesson is for SL and HL students. Students distinguish change in a population’s heritable characteristics from acquired individual change, interpret allele-frequency evidence and explain the scientific status of evolutionary theory.
The teacher walkthrough guides the lesson; the student activity pack provides the classroom tasks, with a separate answer key for teacher use.
Included: editable Word and PDF versions of the teacher walkthrough, student activity pack and separate answer key (six documents), plus supporting classroom figures.
This lesson uses supplied evidence and original classroom models. It does not certify completion of a separately allocated practical or a live-database skill.
Lesson 1 of 5 in Evolution and speciation.
Single-teacher classroom licence. Independently authored by The Science Shop; customer-file integrity and packaging audited.
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