SEAN KENT
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Key Characteristics

Key evolutionary innovation: Notochord
  • Deutrostome coelomates
  • Internal endoskeleton
    • Notocord: flexible rod
    • Develops along the back of the embryo
  • Species diversity: 56,000 species

All chordates have these characteristics during sometime in the their life, specifically as an embryo or larva. 
    • Notochord
    • Dorsal hollow nerve cord
    • Pharyngeal pouches
    • Postanal tail
  • Vertebrates
    • Backbone
    • Skull protecting a brain
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  • Home
  • Photography
    • Landscapes
    • Nature >
      • Otters at Trowel Shop Pond
      • Photography
    • Around Town
  • Looking Closely Blog
  • About Me