The Moon’s Influence on Life at the Equator
In The Moon’s Influence on Life at the Equator, narrator Sir David Attenborough explains how the Moon’s pull at the equator influences the tides and the animals that live there. Watch how bottlenose dolphins use sonar to catch razorfish. Learn how thimble jellyfish use photosynthesis. 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: What happens to the tide near the equator?
A: The gravitational pull of the Moon is weaker, so the tides are smaller.
Q: Why are the thimble jellyfish the color they are?
A: Algae inside the jellyfish are photosynthesizing energy from the Sun giving them their brown color.
Q: How is the bottlenose dolphin using its sonar?
A: The bottlenose dolphin is using its sonar to hunt razorfish and dig them out for food.
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