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David Attenborough explains how life on Earth has evolved
How life has changed and adapted over the past three thousand million years.
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Celebrating Attenborough at 90: clips
Watch clips from the programmes being broadcast to celebrate David Attenborough's 90th
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The variety of life on Earth
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Tortoises in the Galapagos
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The final paragraph of "On the Origin of the Species"
Duration: 01:36
More clips from Attenborough's Passion Projects
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The variety of life on Earth—Darwin's Tree of Life
Duration: 01:48
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Tortoises in the Galapagos—Darwin's Tree of Life
Duration: 01:16
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The romance of fossils—Lost Worlds, Vanished Lives
Duration: 01:40
