Natural Selection & Mutations (WJEC - 4.4 Variation & Evolution)

Lesson based around WJEC Biology 2 - 4.4 Variation & Evolution, but can be used/adapted at KS3 and other KS4 exam specifications.

Full complete resource on Natural selection and Mutations (meant to follow an introductary lesson to natural selection).

Resource includes:

Full lesson PowerPoint
Reading guide worksheet activity
Practical with method sheet (and alternative simulation link).
5 exam-questions (including mark schemes) to choose from which can be used as an extended plenary or homework use.
Plenary task

Specification points:

© the facts that new genes result from changes, mutations, in existing genes;
mutations occur at random; most mutations have no effect but some can be
beneficial or harmful; mutation rates can be increased by ionising radiation

(e) heritable variation as the basis of evolution

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