Deep ocean exploration
BBC Inside Science
00:00
Deep Sea Coral Reefs
Karry: If you were to fly over an ocean basin, at just above the sea surface, what would you see? What that's down there well. Well, we'll come to some of the animals, but first let's get a picture of the geography of the place. There are ranges of sea mounts. And sea mounts are literally underwater mountains. They cover nearly five % of the sea floor so ther're actually quite common forms in the deep sea. But there are other aras topography, like theocean trenches. Those are the deepest places in the ocean, down to nearly 11 thousand meters in the case of the marianus trench. So we've got great plains
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