sept 29 - 10 Tuesday, September 29, 2009 9:36 AM U pcoming...

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Upcoming Test Thursday, October 1st 9:30-11:00 AM In JGB 3.116 (next door) Definitions Multiple choice question Write shit ton of content on the essay question Drawing questions Typical Sprinkles test. Attached by spine Brachiopod Productoid brachiopod Zig zag sutures: way of excluding particles from the shell; Significance: Use of paradigm met hod. If stuff gets in, it clogs the interior. Does not get sloppy -> sharp zig zags. Criss cross pattern Slit rim feature: long and continuous v. short; however, maintains a very consistent width Plates grow along rim suture. Growth is correlated with larger rims Dependent on type of flow: uniform flow -> 50% gas exchange v. counter-current -> up to 100% exchange Exchange gases (O 2 for CO 2 ) Exchange substrate Porous and thin slit rims Not much gas exchange occurs on the plates, due to thick structure Exchange particles Rhombiforoid Cistoid: Trilobite Break skeleton to grow out of Trilobites molt about 8 times throughout their lifetime
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sept 29 - 10 Tuesday, September 29, 2009 9:36 AM U pcoming...

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