Why is biodiversity so important? – Kim Preshoff

View full lesson: http://ed.ted.com/lessons/why-is-biodiversity-so-important-kim-preshoff

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.

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