Dinosaurs (Pterosaurs, Avian, and Nonavian)
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Pterosaurs | First flyers, wings with elongated finger and thin skin; Loss of teeth and tail; Keeled sternum; Fused vertebrae; Pneumatic bones are homologous; Sensory reception with vision and hearing, not scent; Hairlike filaments; Slow flight, high manuvering
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| NonAvian Dinosaurs | Upright posture, bipedalism; Convulated joint to straight joint for less rolling action for great sizes and legs beneath body
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| NonAvian Dinosaur Classification | Saurischia with pubis anterior and ischium posterior; Ornithischia with pubis and ischium posterior
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| NonAvian Ornithischians | Thyreophora with bony plates for thermoregulation (gigantothermy); Ornithopoda with block life grinding teeth for grazers and a hollow crest for calling; Marginocephala Rigid shearing teeth for browser, huge frill
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| NonAvian Saurischians | Sauropods nip and swallow large amounts and great body sizes, bridge suspension support; Therapods (TRex simple teeth), (Ornithomimids bipedal and opposable forelimbs), (Dromeosaurs hindlimbs just like birds)
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| Dinosaur Parental Care | Ornithischians past hatching; Sauropods nest in large groups but no parental care of eggs; Theropods brood like birds
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LionsandGiants
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