Bio 201 S09 Mark_True bird2

Bio 201 S09 Mark_True bird2 - PLEASE TURN CELL PHONES OFF...

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PLEASE TURN CELL PHONES OFF NOW
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2 st mid term exam Wed. Oct. 21st in class On material from 9/25 – 10/16 Be on time – >10 min late will not be allowed into room Bring only your ID and pencils – All other materials have to be left on periphery of the room 35 multiple choice questions + 3 bonus factoid questions lowest of the three mid terms is dropped, avg. of other 2 = 60% of your grade Only documented medical/family excuses accepted; we need to be NOTIFIED before end of the day on the day of the exam
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Review Sessions • Friday, 1-2pm. Melissa • Monday, 2:30-3:00pm. Mike • Monday, 4:30-5:30pm. Elinor • Tuesday, 2:30-3:30pm. Alison •Life Sciences 026 basement. •Check BB for office hours/make appointment •TA will not give answers for questions over emails, but will correct them
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Alligators have mating system similar to birds 10 year study of behavior and genetics (microsatellites) Females choose to mate with same partner over many mating seasons Exhibit parental care and multiple paternity Crocodilians are the sole surviving reptilian archosaurs, the group that includes dinosaurs and gave rise to birds Can inform us about ancestral mating systems of birds and dinosaurs •Molecular Ecology, October 5 th , 2009 •Drs. Travis Glenn, Ruth Elsey, Tracey Tuberville and Stacey Lance •University of Georgia, LFW
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Birds: ~9600 species
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2g (hummingbird) V. 150 kg (ostrich) Incredible diversity • Size • Diet • Habitat Nectar V. Flesh Desert Arctic ice Sea x
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Birds
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Position of the birds within dinosaurs crocodilians Diapsids Lepidosaurs Archosaurs Dinosaurs Plesiosaurs Ichthyosaurs Pterosaurs Ornithischians Saurischians Birds snakes lizards
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Evolutionary origin of birds Magna order: Archosauria Superorder: Dinosauria Order: Saurischia Suborder: Theropods Velociraptor , three feet tall and weighed around 30 pounds. 70-80mya Read more: http://www.dailymail.co.uk/sciencetech/article-483045/
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Bio 201 S09 Mark_True bird2 - PLEASE TURN CELL PHONES OFF...

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