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Classification of life

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Term
Definition
dichotomous key   A tool used to identify organisms by giving a series of characteristics with two different options  
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binomial nomenclature (scientific name)   The scientific naming system for naming organisms. Each name has the genus and species of the organism  
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domain   The most general grouping of organisms including: Archaea, Bacteria, Eukaryota  
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kingdoms   The second taxonomic class including: animalia, plantae, protista, archaebacteria, eubacteria, and fungi  
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levels of classification   Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species  
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cladogram   A diagram based on shared traits that shows the evolutionary relationships of organisms and common ancestry  
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mobile/motile   Capable of moving  
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heterotrophic   an organism that gets its food by eating other organisms. Cannot make their own food.  
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autotrophic   an organism that produces its own food nutrients without eating other organisms  
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archae (archaebacteria)   Single-celled prokaryotes that can live in extreme environments  
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bacteria (eubacteria)   Single-celled prokaryotes that usually have a cell wall and usually reproduce by cell division  
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protist (protista)   Usually single-celled organisms that resemble animals, plants, or fungi but smaller and simpler. Can be multicellular.  
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fungus (fungi)   Eukaryotic, heterotrophic, organisms that are often decomposers. Usually multicellular, but can be single celled.  
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plants (plantae)   Multicellular autotrophs that go through photosynthesis  
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animals (animalia)   Multicellular eukaroytic heterotrophs with cells that lack cell walls.  
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Created by: cfhsbiology
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