Name: Revise: Evolution of species - National 5 Biology - Video - BBC Bitesize
Channel: BBC Bitesize
Description: Learn about mutation, adaptation and variation and how they have led to evolution by natural selection. BBC Bitesize Scotland for SQA National 5 Biology.

To play this video you need to enable JavaScript in your browser.

This video can not be played

Speciation occurs when a population becomes separated by an isolation barrier.

Next up

Test your understanding

Back to revise

Revise: Evolution of species

More guides on this topic

Related links