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BIO 110, Life Science Summer 2012 Readings Wikipedia – –

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Presentation on theme: "BIO 110, Life Science Summer 2012 Readings Wikipedia – –"— Presentation transcript:

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2 BIO 110, Life Science Summer 2012

3 Readings Wikipedia – – – Other – Alligator sounds: – An alternate view of independent origin: – Parasaurolophus research: – Live-bearing: a-baby-sauropod/ a-baby-sauropod/

4 Easily-recognized clades Flowering plants: flowers and fruits Animals: blastula Vertebrates: backbone Insects: three pairs of walking legs

5 “Controversial” claims about dinosaurs Dinosaurs are “warm-blooded” – Endothermic vs. ectothermic – Homoeothermic vs. poikilothermic Dinosaur mothers cared for their young Dinosaurs may have vocalized to defend territories or attract mates Dinosaurs may have borne “live young” (no eggs)

6 Crocodilians and birds Homoeothermy Parental care Vocalization – Roles of the larynx and syrinx Egg-laying

7 Zebra stripes Cryptic coloration? Insect repellent? Missing the big picture

8 Life Single or multiple origins? The genetic code: possible homology for all organisms today


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