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Classification Vocab

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Term
Definition
Analogous Character/structure   Structures of different species having similiar or corresponding function but not the same evolutionary orgin.  
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Biodiversity   the diversity of plant and animal life in a particular habitat (or in the world as a whole)  
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Cladogram   a diagram that is based on patterns of shared, derived traits and that shows the evolutionary relationships between groups of organisms  
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Class   (biology) a taxonomic group containing one or more orders  
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Dichotomous Key   an identificationkey that contains pairs of contrasting descriptions.  
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Domain   most inclusive taxonomic group, larger than kingdom; three exist - bacteria, archaea, eukaryota  
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Evolution   (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms  
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Family   the taxonomic category below the order and above the genus  
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Genus   the level of classification that comes after family and that contains similar species  
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Habitat   the type of environment in which an organism or group normally lives or occurs  
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Homologous Structure/character   anatomical stuctures that share a common ancerstry.  
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Kingdom   large taxonomic group, consisting of closely related phyla  
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Order   the taxonomic category below the class and above the family  
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Phylogenic tree   a branching diagram that shows how organisms are related through evolution  
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Phylum   the taxonomic group below kingdom and above class  
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Population   a group of organisms of the same species that live in a specific geographical area and interbreed  
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Species   a group of organisms that are closely related and can mate to produce fertile offspring; also the level of classification below genus and above subspecies  
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Created by: Christensent
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