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chapter 17 section 2

Systematics

TermDefinition
systematics the classification of living organisms in terms of their natural relationships; it includes describing naming and classifying the organisms
phylogenetics the analysis of evolutionary or ancestral relationships between taxa
phylogenetic diagram a branching diagram that models the relationships by ancestry between different species or other taxonomic groups
cladistics a phylogenetic classification system that uses shared derived characters and ancestry as the sole criterion for grouping taxa
shared character a feature that is shared by all members of a particular group of organisms
derived character a feature that evolved only within a particular taxonomic group
clade a taxonomic grouping that include only a single ancestor and all of its descendants
cladogram a diagram that is based on patterns of shared, derived traits and that shows the evolutionary relationships between groups of organisms
Created by: campbellm19
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