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Branches on the Tree of Life: Chordates DVD

Item # 493090A Online Only This product is not available in our print catalog.

The phylum Chordata includes tunicates, sea lancelets, hagfish, and all familiar vertebrate animals. DVD explores how these seemingly diverse animals evolved and how the group is unified by 4 characteristic structures: hollow dorsal nerve chord, supportive notochord, gill slits, and post-anal tail. Milestones in vertebrate evolution are discussed, including improvements in swimming and feeding, evolution of paired fins and a primitive lung, movement onto land, and amniotic egg. Close-captioned.

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$81.65

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The phylum Chordata includes tunicates, sea lancelets, hagfish, and all familiar vertebrate animals. The VHS/DVD explores how these seemingly diverse animals evolved and how the group is unified by 4 characteristic structures: a hollow dorsal nerve chord, a supportive notochord, gill slits, and a post-anal tail. Key milestones in vertebrate evolution are discussed, including improvements in swimming and feeding, the evolution of paired fins and a primitive lung, movement onto land, and the amniotic egg. DVD includes an illustrated PDF teaching guide. Close-captioned.
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