Class Clips is changing
We will be introducing the new Knowledge and Learning Beta website over the coming months. Clips for use in the classroom are now available on your phone, tablet or PC.

Alternatively, you can still browse or search by keyword or clip number on this site.

Clip description Keywords
Evolution of life on Earth
Evolution of life on Earth

Duration: 01:49

An introduction to evolution from the asexual reproduction or cloning of early single-celled organisms to sexual reproduction, which has led to the formation of more recent and complex animals and plants.

What is required for life to evolve?
What is required for life to evolve?

Duration: 02:14

Extremophile organisms taught scientists that water is the central requirement for life to evolve.


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