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11 Cards in this Set
- Front
- Back
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Taxonomy
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Discipline of classifying organisms and assigning each organism a universally accepted name.
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Binomial nomenclature
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Classification system in which each species is assigned a two-part scientific name.
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Taxon
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A group or level of organization into which organisms are classified.
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Phylogeny
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The study of evolutionary relationships among organisms.
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Derived characters
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Characteristics that appear in recent parts of a lineage but not in its older members.
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Cladogram
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Diagram that shows the evolutionary relationships among a group of organisms.
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Molecular Clock
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Model that uses DNA comparisons to estimate the length of time that two species have been evolving independently.
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Domains
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Eukarya, Bacteria, Archaea.
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Bacteria
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Domain of unicellular prokaryotes that have cell walls containing peptidoglycans.
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Archaea
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Prokaryotes that have cell walls that do not contain peptidoglycan.
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Eukarya
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All organisms that have a nucleus.
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