lecture outlines for posting16

lecture outlines for posting16 - Lecture 16 - EEB 13 - 4...

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Lecture 16 - EEB 13 - 4 March 2008 Dr. Hespenheide REMINDER: The final exam for EEB13 will be given during the lecture and discussion hours (12:30-3:00 pm) on Thursday, March 13th macroevolutionary processes (adaptation, speciation, extinction) have created 3 major classes of patterns involving living organisms: history of life - Lecture 15 biogeography - today biodiversity - eventually - these will be treated in turn…. biogeography - spatial/geographic patterns in distributions of organisms/species European voyages of “discovery” (or exploitation and colonization…) by Western Europeans during the 15 th – 19 th centuries brought back many strange organisms from other parts of the world naturalists (Darwin, Wallace) visited other parts of the world to study the newly-found organisms a number of patterns have emerged example - birds of the world – about 9000 species known in many families F = # of families (# occurring only there), spp = # of species (pl.) [geographic feature in brackets] = boundary of region North America [shared F 47 (5)] Eurasia F63 (0) F67 (1) spp 650 spp 750 [Isthmus of Tehuantepec] [Sahara Desert] [Himalayas] West Indies (F2) Africa South/Southeast Asia Hawai’i (F1) F94 (13) Madagascar (F5)
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lecture outlines for posting16 - Lecture 16 - EEB 13 - 4...

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