Contents
- Introduction
- Orientation Center
- Room 1 - Vertebrate Origins
- Jaws
- Four Limbs
- Watertight Egg
- Sauropsids
- Antorbital Openings
- Pterosaurs
- Room 2 - Saurichians
- Room 3 - Ornithiscians
- Room 4 - Primitive Mammals
- Room 5 - Advanced Mammals
- Conclusion
Next is the watertight egg. These animals are called amniotes, because they have an amnion, which lets babies stay on dry land.
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