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3 Cards in this Set

  • Front
  • Back
All chordates exhibit the following characteristics at some point in their lives...
a dorsal, hollow nerve chord, a notochord, a post-anal tail, and pharyngeal pouches
Chordates with backbones
vertebrates
What essential things must an animal do to survive?
Maintain homeostasis by gathering and responding to information, obtaining and distributing oxygen and other nutrients, collecting and expelling CO2 and other wastes, and reproducing