A History of Mass Extinctions

The cause and impacts of the five mass extinction events in Earth's history, and predictions for a sixth which could end human life.

Biology - Adaptation And Evolution - Learning Points.

Is Earth experiencing its six mass extinction, as a result of man's activities?

On five previous occasions, catastrophic change has killed entire populations, like the dinosaurs.

Natural factors influenced these massive population changes.

Rising sea levels, global warming and a meteorite have all been suggested as reasons behind the extinction of dinosaurs.

A Twig Context Film.
Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action in the real world.