Lecture 024 - Patterns In Macroevolution

Lecture 024 - Patterns In Macroevolution - December term...

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1 Bio1222 December term test prep December term test prep 50 questions, lectures 12-24 • Watch WebCT for sample Qs and clicker Qs • Haffie MendelFest Tues 9 th , 2-4 pm, NCB 340 • Haffie & MacShack office hours, this week and next week: Mon-Thur 2-3 pm th , 230- 430, place TBA • Stephanie at her usual times and places (see WebCT) • Conflicts? See Sheila, NCB 318 Bio1222 Patterns in macroevolution Patterns in macroevolution • The fossil record • Mode and tempo of evolution •Evo lu t
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2 Bio1222 Relative dating of fossils Relative dating of fossils • Principle of superposition – establishes order (not absolute dates) of fossils appearing/disappearing Bio1222 Absolute (radiometric) dating of fossils Absolute (radiometric) dating of fossils • Determine fossil age indirectly: isotope ratio of surrounding rock • Determine fossil age directly: 14 C vs 12 C ratio
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3 Bio1222 Limitations to the fossil record Limitations to the fossil record
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This note was uploaded on 04/04/2009 for the course BIOLOGY 1222 taught by Professor Haffie during the Spring '09 term at UWO.

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Lecture 024 - Patterns In Macroevolution - December term...

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