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diapsid ancestor

Explore the diverse world of birds, from their ancient ancestors to modern species, examining their unique features such as feathers, flight adaptations, and extensive parental care. Discover the avionics of birds and intricate details of their anatomy, physiology, and behavior.

jessicahancock
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diapsid ancestor

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  1. Birds! dromaeosaurs carnosaurs crocodilians sauropods ornithischians theropods saurischians pterosaurs tuatara lizards snakes dinosaurs archosaurs lepidosaurs diapsid ancestor

  2. Birds • A monophyletic taxon… • feathers • sternum • clavicles

  3. cervical vertebrae bipedal beak Birds

  4. Birds large brain vision hearing

  5. extensive parental care oviparous

  6. flight…

  7. avionics airframe powerplant landing gear bird phenotype…

  8. Avionics: sensory input processing output O/N/M manipulate objects…

  9. airframe… compressed rigid verticalized

  10. airframe… cervical vertebrae… clavicles… sternum… thoracic vertebrae ribs…

  11. wing bones origin of flight muscles… insertion of flight muscles attachment of feathers wrist and hand bones… extension and flexion…

  12. landing… landing gear… rigid… strong… lumbar vertebrae sacral vertebrae pelvis synsacrum caudal vertebrae pygostyle

  13. 20-40%

  14. mitochondria capillaries glycogen/fat myoglobin oxygen consumption

  15. circulation… heart larger/more muscular… hematocrit… hemolgobin… Gas exchange…

  16. vertebrate biology in the news…

  17. External development

  18. Altricial young

  19. Migratory… synchronous

  20. EPC

  21. TM TM TM TM TM TM TM

  22. TM TM TM F F TM F TM TM TM F

  23. TM TM F F TM F F TM F TM TM TM F F?

  24. TM TM F F F TM F F TM F TM TM TM F F?

  25. M? TM TM F F F TM F F TM F F F TM TM TM F F F F? RDP

  26. ADP

  27. RDP…

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