Coral Reproduction
In Coral Reproduction, narrator Sir David Attenborough explores how coral reproduce sexually and asexually and how they maximize their chances of survival using timing to synchronize their activity. 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 do coral synchronize their activity?
A: The coral uses the rising water temperatures in spring and the phases of the Moon to synchronize.
Q: When do the coral in the Great Barrier Reef spawn?
A: A few days after the full Moon, in late spring, the coral spawns when tidal currents are at their weakest.
Q: How do the coral maximize their chances of reproducing?
A: Each type of coral times the release of its egg and sperm to a certain time and night.
More Like This
In A Real Life Finding Nemo, Sir David Attenborough explores the unique relationship between the clownfish and the sea anemone. Often poisonous to other fish, the anemone serves as a protective home for the clownfish. The male clownfish repays the favor by keeping the anemone clean and removing debris. This video is excerpted from BBC’s Blue Planet II, a natural history series that explores the world's oceans, the animals that live in them, and the threats they face, using modern filming techniques and equipment to capture previously unseen areas of the ocean.
In False Killer Whales and Bottlenose Dolphins, narrator Sir David Attenborough describes what happens when a pod of false killer whales finds a pod of dolphins. This video is excerpted from BBC’s Blue Planet II, a natural history series that explores the world's oceans, the animals that live in them, and the threats they face, using modern filming techniques and equipment to capture previously unseen areas of the ocean.
In The Giant Cuttlefish Finds a Mate, narrator Sir David Attenborough explains the color-changing communication of this largest type of cuttlefish. This piques the attention of females, and helps the cuttlefish find a mate. This video is excerpted from BBC’s Blue Planet II, a natural history series that explores the world's oceans, the animals that live in them, and the threats they face, using modern filming techniques and equipment to capture previously unseen areas of the ocean.
In A Sea of Doom Beneath the Pacific, narrator Sir David Attenborough investigates the world of the deep ocean, where only a small amount of light shines and animals have evolved in interesting ways. This video is excerpted from BBC’s Blue Planet II, a natural history series that explores the world's oceans, the animals that live in them, and the threats they face, using modern filming techniques and equipment to capture previously unseen areas of the ocean.
In A Real Life Finding Nemo, Sir David Attenborough explores the unique relationship between the clownfish and the sea anemone. Often poisonous to other fish, the anemone serves as a protective home for the clownfish. The male clownfish repays the favor by keeping the anemone clean and removing debris. This video is excerpted from BBC’s Blue Planet II, a natural history series that explores the world's oceans, the animals that live in them, and the threats they face, using modern filming techniques and equipment to capture previously unseen areas of the ocean.
In False Killer Whales and Bottlenose Dolphins, narrator Sir David Attenborough describes what happens when a pod of false killer whales finds a pod of dolphins. This video is excerpted from BBC’s Blue Planet II, a natural history series that explores the world's oceans, the animals that live in them, and the threats they face, using modern filming techniques and equipment to capture previously unseen areas of the ocean.
In The Giant Cuttlefish Finds a Mate, narrator Sir David Attenborough explains the color-changing communication of this largest type of cuttlefish. This piques the attention of females, and helps the cuttlefish find a mate. This video is excerpted from BBC’s Blue Planet II, a natural history series that explores the world's oceans, the animals that live in them, and the threats they face, using modern filming techniques and equipment to capture previously unseen areas of the ocean.
In A Sea of Doom Beneath the Pacific, narrator Sir David Attenborough investigates the world of the deep ocean, where only a small amount of light shines and animals have evolved in interesting ways. This video is excerpted from BBC’s Blue Planet II, a natural history series that explores the world's oceans, the animals that live in them, and the threats they face, using modern filming techniques and equipment to capture previously unseen areas of the ocean.