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Lecture

Lec 4 - Biodiversity.docx

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Department
Biology
Course
Biology 1001A
Professor
Tom Haffie
Semester
Fall

Description
Tues Sept 17 2013BIO Lecture 4BiodiversityPREWORK1Significance of tree thinking to evolutionary theoryEfficient structure for organising knowledge of biodiversityAllows for accurate conception of evolutionary history2Phylogenetic treetipsterminal nodes occupied by contemporary speciespt at which 2 branches convergeinternal nodes reflects a common ancestor shared by 2 lineages3Whether rotating internal nodes on a phylogenetic tree changes the information conveyedNoststApprox times by which the 1 cellsthe 1 eukaryotic cells had appearedProkaryotes 3538 byaMethanogenscyanbacteria modified earths atmosphere resulting in rising levels O2 decline CosEukaryotes cells w organelles 2528 byaMain characteristics distinguishing members of the Eubacteria Archaea Eukaryota domains of lifeEubacteriaoUnicellularoIncludes major forms of bacteria cyanobacteriaoAutotrophic organisms that can produce their own food or heterotrophic cant synthesize their own foodrely on other organismsboth p
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