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Unformatted text preview: Tiny thin needle-like bones rather than thick bones in the middle. What is the age of the oldest known tetrapod? Acanthostegahas 8 fingers rather than 5 Diff between Lobe Fin fish, and Tetrapod = Tetrapods have legs Toes must develop at the end of the leg Some othe oldest known tetrapods have 5 toes. Amphibian egg must be laid in water. Soft permeable shells. Diapsid evolved into all reptiles and bird. 16:51 16:51...
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- Spring '09