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23 Cards in this Set
- Front
- Back
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taxonomy |
discipline of classifying organisms and assigning each organism a universally accepted name |
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binomial nomenclature |
classification system in which each species is assigned a two part scientific name |
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genus |
group of closely related species and the first part of the scientific name in binomial nomenclature |
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taxon |
group or level of organization into which organisms are classified |
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family |
group of genera that share many characteristics |
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order |
group of similar families |
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class |
group of similar orders |
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phylum |
group of closely related classes |
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kingdom |
large taxonomic group of consisting of closely related phyla |
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evolutionary classification |
method of grouping organisms accroding to their evolutionary history |
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derived character |
characteristic that apears in recent parts if a linage but not in its older members |
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cladogram |
diagram that shows the evolutionary relationships among a group of organisms |
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molecular clock |
model that uses dna comparisions to estimate the length of time the two species have been evoling independently |
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domain |
most inclusive taxonomic category larger than a kingdom |
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bacteria |
domain of unicellular prokaryotes that have cell walls containing peptidoglycan |
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eubacteria |
kingdom of unicellular prokaryotes whose cell walls are made up of peptidoglycan |
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archaea |
domain of unicellular prokaryotes that have cell walls that do not contain peptidoglycan |
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archaeabacteria |
kingdom of unicellular prokaryotes that have cell walls whose walls do not contain peptidoglycan |
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eukarya |
domain of all organisms whose cells have nuclei including protists plants fungi and animals |
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protista |
kingdom composed of eukaroytes that are not classified as plants animals or fungi |
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fungi |
kingdom composed of hetertrophs many obtain energy and nutrients from dead organic matter |
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plantae |
kingdom of multicellular photosynthatic autotrophs that have cell walls containing cellulose |
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animalia |
kingdom of multicellular eukaryotes heterorphs whose cells do not have a cell wall |
