Why is biodiversity so important?

A 5-minute video explores how ecosystems cope in the face of change. This video can be followed up with a short quiz and further opportunities to explore further. It can be used as a prompt for research into different ecosystems.


< 30 minutes


Download the resources below.


  • Indoor

Curriculum links

  • Science
  • Geography

Step by step

Our planet’s diverse, thriving ecosystems may seem like permanent fixtures, but they’re actually vulnerable to collapse. Jungles can become deserts, and reefs can become lifeless rocks. What makes one ecosystem strong and another weak in the face of change? Kim Preshoff details why the answer, to a large extent, is biodiversity.

Lesson by Kim Preshoff, animation by TED-Ed.

Preview image for the video "Why is biodiversity so important? - Kim Preshoff".

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Full lesson includes the video, a multiple choice quiz and links to further resources. 

Learners might be tasked to focus on different ecosystems such as jungles, coral reefs and oceans, researching how changes impacts them.