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42 Cards in this Set
- Front
- Back
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discipline of classifying organisms and assigning each organism a universally accepted name
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taxonomy
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system in which each species receives two names
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binomial nomenclature
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first part of binomial nomenclature
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italicized, capitalized, Genus
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group of closely related species
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genus
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second part of binomial nomenclature
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italicizes, not capitalized, species
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who made the system of classifcation that has 7 hierachy levels?
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Linnaeus
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Seven classifcation levels largest to smallest
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Kingdom Phylum Class Order Family Genus Species
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two kingdoms in Linnaeus's system of classification
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Animalia and Plantae
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the study of evolutionary relationships among organisms
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phylogeny
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biologists now group organisms into categories that represent ________________ not just physical similarities
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evolutionary descent
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all members of a ______ share a common ancestor
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genus
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organisms that appear very similar may not share a ________________ this is because of _______
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recent common ancestor, natural selection
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method that identifies and considers only those characteristics of organisms that are evolutionary innovations- new characteristics that arise as lineages evolve over time
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cladistic analysis
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characteristics that appear in recent parts of a lineage but not in its older members
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derived characters
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diagram that shows the evolutionary relationships among a group of organisms
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cladogram
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the six-kingdom system of classification includes the systems
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Animalia, Plantae, Fungi, Protista, Eubacteria, Archaebactera
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before Linnauese, scientific names were problematic because they were
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very long and difficult to standarize
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in taxonomy, a group at any level or organization is referred to as a
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taxon
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streptoccocus is a prokaryotic cell and belongs to the kingdom
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Eubacteria
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Which of the following organisms would have cell walls containing peptidoglycan?
yeast carnations e coli paramecium |
E COLI
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a more inclusive category than any other - larger than a kingdom
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DOMAIN
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the 3 domains
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archaea, bacteria, eukarya
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domain bacteria
(mode of getting food/energy) |
chemosynthetic+ + photosynthetic
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domain bacteria --> pro/eukaryotic; multi/unicellular
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unicellular, prokaryotic
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domain bacteria --> cell walls?
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thick cell walls containing peptidoglycan
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domain bacteria --> anaerobic or aerobic?
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anaerobic + aerobic
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example of eubacteria -->
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strep throat
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domain archaea --> uni/multi; pro/eu
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prokaryotic, unicellular
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domain archaea --> live in what kind of environments?
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live in harsh conditions; boiling springs, volcanoes
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domain archaea --> anaerobic or aerobic?
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most are anaerobic
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form of nutrition? --> archaebacteria
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chemosynthesis
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archaea can be seen in ______
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large clusters
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example of archaebacteria
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yeast
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archae bacteria are ________ than eubacteria
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older
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archae bacteria ____ contain peptidoglycan in their cell walls
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don't
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archae bacteria have ________ in their cell membranes not found in many other organisms
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unusual lipids
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another example of eubacteria
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e coli
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this domain consists of all organisms that have a nucleus
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Eukarya
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kingdom that is composed of the greatest variety of organisms
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protista
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protista are unicellular or multicellular?
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both
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members of this kingdom are heterotrophs that feed on dead or decaying matter
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fungi
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fungi are unicellular or multicelular?
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both
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