BIOL 1201 Study Guide - Chromosome, Cellular Respiration, Proteobacteria

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2 Sep 2014
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Phylogeny: evolutionary history of a species or group of related species. Systematics: analytical approach to understanding the diversity and relationships of organisms. Taxonomy: ordered division of organisms into categories based on a set of characteristics used to asses similarities and differences. Every species has a binomial name: genus + species, always italicized, species name never capitalized. This binomial naming system fits in a scheme of larger categories. Mnemonic devices really help with remember the classification system. K ings play chess on fine grain sand. Don"t forget that domains are now added in above the kingdom level. Homology: traits shared between taxa due to a common ancestor. Analogy: similar traits shared due to convergent evolution (not in a common ancestor: in phylogenetic can also be called homoplasy. Morphological characteristics that are conserved through time can be used: skeletal, muscular, etc. Molecular systematics uses dna sequences as its statement of homology.

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