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Branches on the Tree of Life: Chordates DVD

Item # 493090A
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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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$76.95

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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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