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8 Cards in this Set

  • Front
  • Back
Four Features of Phylum Chordata:
1) Notochord
2) Nerve Chord
3)Pharyngeal Gill Slits
4) Post-anus Tail
Five Characteristics of Subphylum Vertebrata:
1) Vertebral Column
2) Closed Circulatory System
3) Neural Crest Cells
4) Cephalization (Head)
5) Cranium (Skull)
Three Main Groups of Fish
1) Jawless Fish
2) Osteichthyes - Jawed Fishes
3) Chondrichthyes - Cartilaginous Fishes (sharks, rays, etc.)
Three Major Evolutionary Innovations in Jawed Fishes:
1) Hinged Jaws
2) Vertebrae
3) Paired Fins
Amphibians: Three Characteristics
1) Strong legs
2) 3 Chambered Heart
3) Need water or moisture for reproduction
Reptiles: Four Major Evolutionary Innovations
1) Dry, scaly skin to breathe on land
2) Expanding Rib Cages (breathing efficiency)
3) Legs beneath body (Running/Walking efficiency)
4) Amniotic Eggs (Eggs designed for land)
Dinosaurs: Two Main Groups
1) Saurischian Dinosaurs (Pubis bone points downward)

2) Ornithischian Dinosaurs (Pubis bone points forward)
Birds: Six Characteristics and evolution
Evolved from Theropod Dinosaur called the Dromacosaur

1) Feathers/Flights
2) Warm Blooded
3) Air-Sac System
4) Four-Chambered Heart
5) No teeth
6) No bony tail