Bio 201 Fall 2008 True lect 2v3

Bio 201 Fall 2008 True lect 2v3 - PLEASE TURN CELL PHONES...

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PLEASE TURN CELL PHONES OFF NOW
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Today’s factoid • One of the larger common moths on Long Island is the Tulip Tree Beauty, Epimecis hortaria • Its caterpillars eat the leaves of the Tulip Tree and some other trees
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Potential problem • Make sure you are enrolled for Bio 201 at STONY BROOK – Check SOLAR • Bio 201 Southampton students must attend class and take exams at Southampton
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Electronic textbook resources • Bio portal [ebook], Prep U • Ellen Lopez has Prep U access cards – G-04 BLL • Get to know these resources – Explore – Utilize • TAs can help you with technical problems Note: we do not use clickers in this course
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Format of exams • Multiple choice questions • Questions from book are good practice
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"Nothing in biology makes sense except in the light of evolution.” -Theodosius Dobzhansky (1973) www.pbs.org/. ../06/ 2/image_pop/l_062_04.html
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Biology before Darwin • Biodiversity and anatomy of organisms studied to understand and glorify Divinity • Species seen as fixed, unchanging entities • Biologists classified and catalogued organisms extensively – Carl Linnaeus (1707-1778) • “father of taxonomy”
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“Species form a ladder-like hierarchy” Aristotle ---------> Linnaeus 384-322 B.C. 18th cent.
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But even before Darwin, the “unchanging species” view was beginning to be doubted Jean-Baptiste Lamarck (1744-1829) Put the idea of evolution on the map, well before Darwin Proposed that species could evolve inheritance of acquired traits Less impact than Darwin Didn’t assemble as much evidence as Darwin Criticized heavily after Darwin mainly because of his proposed mechanism Etienne Geoffroy Saint-Hillaire (1772-1844) Known as Geoffroy Protege of Lamarck Proposed that organisms shared same “plan” based on structural homologies Opened the way for similarity/identity by descent • Hypothesized that species could undergo “transformations” of form
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Homology • Characters in two different species that are similar or identical because of inheritance
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Bio 201 Fall 2008 True lect 2v3 - PLEASE TURN CELL PHONES...

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