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Similar organisms share a common ancestor, thus they share an ____________ __________.
Species are classified more closely together when sharing similar evolutionary histories.
Ex.: Elephant & Elephant shrew
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| a Swedish scientist; in 1700’s, he founded modern taxonomy; gave each species a 2-part scientific name |
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| These organisms are unicellular and are one of the most important decomposers on earth. |
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| an organism with no nucleus |
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| Most specific taxon level |
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2-part name that consists of the genus & species name. Genus is capitalized. Species is lowercase. Name is in Latin and is italicized.
Example: Rana temporaria |
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| division of organisms into groups or taxa, based on specific characteristics |
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| the science of describing, naming, and classifying organisms |
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a two-name naming system (ex.: Homo sapien); invented by Linnaeus |
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| Dichotomous Key / Taxonomic Key |
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- an aid that is used to identify organisms
- a series of paired statements, in which each pair has a related characteristic (such as number of legs or body coloring) |
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| 8 Levels/Taxa of Classification (List.) |
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| Domain, Kingdom, Phylum, Class, Order, Family, Genus, and Species |
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| 6 Kingdoms of Life (List.) |
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| Eubacteria, Archaebacteria, Protista, Fungi, Plantae, and Animalia |
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| an ancient species in which 2 or more species evolved from |
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| classification group containing similar, closely related organisms. Ex.: Pumas and house cats are both in the genus Felis. |
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| a group of very similar organsims that can successfully interbreed, producing fertile offspring |
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| first scientist to classify living things; he classified animals based on how they moved; ex.’s: walk, swim, fly |
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| an organism containing a nucleus |
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On a taxonomic key, this is how to identify the characteristics of a named organism when there is no picture of that organism. |
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| Can you complete all 42 boxes of the Chart with characteristics of the ____ __________? |
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