BSC 160 1nd Edition Lecture 4 Outline of Last Lecture 1 Types of microorganisms 2 Evolution of Microbio 3 Prokaryotes 4 Eukaryotes Outline of Current Lecture 1 Phylogeny 2 Taxonomy 3 Classifying prokaryotes Current Lecture Phylogeny Natural relatedness between groups of organisms o All new species originate from preexisting species o Closely related organisms have similar features from ancestors Evolution usually progresses toward greater complexity Ancestor primitive complex Closer the common ancestor more similar qualities Taxonomy Organizing classifying naming living things o Formal system by Carl VonLinne o Concerned w Classification Orderly arrangement of organisms into groups Nomenclature Assigning names Identification Determining Classify Prokaryotes 1 2 3 4 5 6 7 Gram stain property cell wall structure Mole G C in genome Quanines cytosines Growth temperature Ability to form heat stable spores Electron acceptors for respiration if any Photosynthetic ability Motility These 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 shape 9 Ability to use various carbon nitrogen sources 10 Special nutritional requirements
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