Tidal Currents and Their Impact on Life
In Tidal Currents and Their Impact on Life, narrator Sir David Attenborough demonstrates how the currents help animals, and how animals and plants have learned to live in strong and smooth currents. 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 kelp plants in the current?
A: The giant kelp plants bend to the current.
Q: How do the currents help the stingrays?
A: The arches funnel the current making it weaker, creating an ideal place for stingrays to rest and breed.
Q: How does the current help the fish?
A: The current sweeps the plankton past the fish.
More Like This
In Antarctica and Our Climate, geologist Iain Stewart explains how technology allows us to see the full geography of Antarctica, including lakes that are under ice and huge glaciers that cover islands of rock. Antarctica is formed because we are in an ice age that has lasted more than three million years, with small changes that have a large impact as ice advances and retreats over and over again. This video is excerpted from BBC’s Earth: The Power of the Planet, a documentary series in which Dr. Iain Stewart discovers how Earth's forces can shape nature, species, and even the climate.
In The Fascinating Animals That Inhabit Mountain Streams, narrator Sir David Attenborough investigates the unusual adaptations of animals that inhabit the rushing waters of mountain streams. This video is excerpted from BBC's Planet Earth, a breathtaking documentary series that highlights the natural wonders of our planet.
In Antarctica and Our Climate, geologist Iain Stewart explains how technology allows us to see the full geography of Antarctica, including lakes that are under ice and huge glaciers that cover islands of rock. Antarctica is formed because we are in an ice age that has lasted more than three million years, with small changes that have a large impact as ice advances and retreats over and over again. This video is excerpted from BBC’s Earth: The Power of the Planet, a documentary series in which Dr. Iain Stewart discovers how Earth's forces can shape nature, species, and even the climate.
In The Fascinating Animals That Inhabit Mountain Streams, narrator Sir David Attenborough investigates the unusual adaptations of animals that inhabit the rushing waters of mountain streams. This video is excerpted from BBC's Planet Earth, a breathtaking documentary series that highlights the natural wonders of our planet.