EARTH 7 Lecture Notes - Lecture 11: Plateosauria, Allometry, Sauropoda

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15 Aug 2016
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Earth 7: dinosaurs | lecture: saurischians i: sauropodomorphs. Note taker: deanna coughlin (714) 235-7896; deannajasmine@yahoo. com lecture 12: 2-10 m (7-35 ft. ) earliest groups bipedal, later groups capable of both bipedal and quadrupedal locomotion. Among best known dinosaurs with over 100 skeletons discovered. Interpretation of it has changed dramatically in recent years. Suggest awkward limb proportions at birth, extremely rapid growth and evident of kicking within eggs. Denser limb bones to support lots of weight. Hollow spaces in neck vertebrae not only make the neck lighter but likely also aided in unidirectional respiration. 80 ft. long among largest known of sauropods. Appear to have replaced other sauropods that began to die out in late. Include some of the largest of all sauropods. Larger size can subsist on low quality food. Plant evolution profoundly affects dinosaur ecology and evolution. Small animals tend to easily lose heat more easily than big things -> greater relative surface area.

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