The Bubbler Crab is an Industrious Sand-Cleaner
In The Bubbler Crab is an Industrious Sand-Cleaner, narrator Sir David Attenborough teaches about the ecosystem that occurs in the sand during low tide, including the life of the sand bubbler crab. 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 much water flows out of the bay in just six hours?
A: 100 billion tons of water flows out of the bay.
Q: What does the sand bubbler do?
A: The crab feeds on the meiofauna and filters out the sand/waste.
Q: How can you tell that a sand bubbler has been on a beach?
A: The crabs leave behind little balls of sand covering the beach.
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In The Sand Lancet’s Strategy, narrator Sir David Attenborough looks at how living in an area with high and low tide impacts animals, like the sand lancet that lives in sandy areas, compared with those that live in rocky areas, like the mussel or barnacle. 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.
In The Power of the Sun and Moon, narrator Sir David Attenborough describes what happens during the powerful spring tides. Learn how the pull of the Moon and the Sun impact the tides and how animals, like raccoons, take advantage of low tide. 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.