Vertebrate_Phylogeny_Exercise_answers - Answers to Vert...

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Unformatted text preview: Answers to Vert tree execise.pdf 1. 2. 3. 4. 5. 6. Lung or derivative Tooth Enamel Sep Pulmonary & Systemic Circ Keratinized Skin Behavioral Thermoregulation Bipedalism (Sorry, this one was confusing and I should not have used it. Although some dinosaurs walked on all fours, they appear to have descended from earlier forms that were more-orless bipedal. All of the meat-eating dinosaurs, including the apparent ancestors of birds were bipedal and all birds are bipedal.) 7. Feathers 8. Hollow Bones 9. Endothermy 10. Teeth are lost 11. Fur/Hair 12. Endothermy 13. Mammary Glands 14. Oviparous Mammal 15. Pouch 16. Placenta ...
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