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MSU - BIOL 1144 - Bio 2 week one - Class Notes

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MSU - BIOL 1144 - Bio 2 week one - Class Notes

School: Mississippi State University
Department: Biology
Course: Biology II
Professor: Thomas Holder
Term: Spring 2015
Tags: Science
Name: Bio 2 week one
Description: These are the first set of notes for the first week.
Uploaded: 10/20/2018
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School: Mississippi State University
Department: Biology
Course: Biology II
Professor: Thomas Holder
Term: Spring 2015
Tags: Science
Name: Bio 2 week one
Description: These are the first set of notes for the first week.
Uploaded: 10/20/2018
2 Pages 25 Views 20 Unlocks
  • Better Grades Guarantee
  • 24/7 Homework help
  • Notes, Study Guides, Flashcards + More!

Unformatted text preview: Uh.2L Introduction & Taxonomy & Diversity Taxonomy : Science of describing, naming, a classifying living ? extinct organisms E viruses [grouping > Systematics : Study of biological diversity e evolutionary relathinships among organisms both extinct & modern - laxonomic anups are based on hypotheses regarding alunnally relationships derived from systematics > Hierarchial system involving successive level > each group @ any level : taxoni > Highest level = Dumalo All life belongs to one of 3 domains Balcteria, Archonda, Eukarya Eukanja divided into 4 Kingdoms 4 Kingdom concept: Domains Bacteria e Archaea - prokaryotic cells Clack nucleus] Domain Eukarya -parmiangdum perutista - eukaryotic - Kingdom fungi - eukaryotic - Iangdum Plantae - evlcarryonic -laingdom Animalia - eukaryotic Types of cells: anunc : before nucleus / lack nucleus/lack membiane band organet >Eukaryotici opposite of proteinotes Imure complex26 Binamidl hamendolture Gehus Calways catalized] ex: Homo sapiens (wise hunan) epithet never capitalized Both are italicized or underlined Proposed by Carlos Linndeus in 1753 Phylugenetic trees Sphylogeny: evdutionary histons of a species or group of species ? Trees are usually based on morphological or genetic data > tree 2 > tree 3 Monuphyletio group or clade E group of spedes, taxon, consisting of most recent common ancestor , all of its descendants Paraphyletic group - contains a commun ancestor & some, but not all, of its descendants more recent clade are nested wlin larger clades Smaller260 > tree 4 Through time taxonomiG groups will be veorganized so only mond phylenc groups recognized Reptiles were a paraphyletic group blu birds were exduded Morphological analysis first systematic systems focused on these features of extinct & modern - Must early classes method s utilized morphological analysis Molecular Systematics 'Analysis of genetic data, such as DNA Z AA sequences, to identity study genetic simuarities { propose phylogen treo trees Horizontal Gene Transfer incorporates genetic material from another organism Wo being the offspring of that organism - NO sexual repro overtical evolution changes in groups due to descent from a common ancestor > Sexual Repro Study soup

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