lecture 6 animal evolution the vertebrates
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Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES

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Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES. The Chordates… . A division comprising vertebrates. Coelomate, bilateral animals. Most are vertebrates; only a few are invertebrates . Distinct Features of Chordates. A notochord Tubular, dorsal nerve cord

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the chordates
The Chordates…
  • A division comprising vertebrates.
  • Coelomate, bilateral animals.
  • Most are vertebrates; only a few are invertebrates.
distinct features of chordates
Distinct Features of Chordates
  • A notochord
  • Tubular, dorsal nerve cord
  • Gill slits punctuates the wall of pharynx
  • Post-anal tail
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