Jellyfish, Deadly Hunters
In Jellyfish, Deadly Hunters, narrator Sir David Attenborough explains how jellyfish move and hunt. Learn the impact they have when they swarm. This video is excerpted from BBC’s Blue Planet, a definitive documentary series diving into the mysterious depths of the sea to discover the natural history of the world’s oceans and the rarely seen marine life that reside there.
Lesson Express
Q: How does the narrator describe jellyfish?
A: They are described as delicate and beautiful, but also deadly hunters.
Q: What are the jellyfish doing when they pulse?
A: The jellyfish bring the nutrient water in and out when they pulse, leaving behind copepods on their bodies.
Q: What happens when the jellyfish swarm?
A: The jellyfish filter out all the planktonic animals in their path.
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