Our planet was once populated by megafauna, big top-of-the-food-chain predators that played their part in balancing our ecosystems. When those megafauna disappear, the result is a "trophic cascade," where every part of the ecosystem reacts to the loss. How can we stay in balance? George Monbiot suggests rewilding: putting wolves, lions and other predators back on top- with surprising results. [5:28]

Concepts

predators, prey

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Additional Tags

megafauna, predatorial, trophic cascade, ted ed: from the top of the food chain down: rewilding our world, consumer, predator-prey

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Classroom Considerations

• Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)
• The intended use for this resource is Practice