Notes Jan 23(BIO)

Notes Jan 23(BIO) - Classification of Organisms Evidence...

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Classification of Organisms I. Evidence from comparative Embryology a. Ontogeny Recapitulates Phylogeny II. Evidence from Comparative Biochemistry a. Have to have good Genes to survive. b. If you grow three eyes… If one gene adapts to the whole population, it takes 1 million years. If the genes A and B are two mutations, It took about 2 mil. Years to adapt. If 5 mutations are dif. Nucleic Acid has RNA in it. III. Protein comparisons-If two organisms share more that means they are more closely related IV. The changing classification system, changes continuously. a. Two kingdoms i. Plant-Fungi looks like plants but is more like animals than plants. Also bacteria is often put into the plant kingdom because they have a cell wall. b. 5 Kingdom Classification- Monera, Protista, Fungi, Plantae, Animalia c. Carl Woese 3 Domain System.- Bacteria Archaea Eukarya i. Monera- all organisms are unicellular * and are Prokaryotes-( before nucleus forms). 3.8 billion years ago. This kingdom has all bacteria. ii.
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This note was uploaded on 04/07/2008 for the course BIO 301M taught by Professor Jasper during the Spring '08 term at University of Texas.

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Notes Jan 23(BIO) - Classification of Organisms Evidence...

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