BSC 160 1nd Edition Lecture 4Outline of Last Lecture 1. Types of microorganisms2. Evolution of Microbio3. Prokaryotes4. EukaryotesOutline of Current Lecture 1. Phylogeny2. Taxonomy3. Classifying prokaryotesCurrent Lecture- Phylogeny- Natural relatedness between groups of organismso All new species originate from preexisting specieso Closely related organisms have similar features from ancestorsEvolution usually progresses toward greater complexity. Ancestor(primitive)complex. Closer the common ancestor, more similar qualities- Taxonomy- Organizing, classifying & naming living thingso Formal system by Carl VonLinneo Concerned w/ Classification- Orderly arrangement of organisms into groups Nomenclature- Assigning names Identification- DeterminingClassify Prokaryotes1. Gram stain property (cell wall structure)2. Mole % G+C in genome Quanines & cytosines3. Growth temperature4. Ability to form heat- stable spores5. Electron acceptors for respiration (if any)6. Photosynthetic ability7. MotilityThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.8. Cell shape9. Ability to use various carbon & nitrogen sources10. Special nutritional
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