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| the variety of organisms considered at all levels from populations to ecosystems |
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| the science of describing naming and classifying organisms |
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| any particular hroup within a taxonomic system |
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| categories above the kingdom level |
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| subsets belopw the kingdom level |
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| smallest grouping, contains only 1 organisms |
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| biologists refer to variations of a species that live in different geographic areas |
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| the goal in to classify organisms in terms of their natural relationships |
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| the analysis of the evolutionary or ancestral relationships among taxa |
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| systematists ofte represent their hypothesis in the form of a _____ |
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| a system of phylogenetic analysis that uses shared and derived characters as the only criteria for grouping taxa |
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| a feature that all members of a group have in common |
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| a feature that evolved only within the group under consideration |
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| the group of organisms that includes an ancestor plus all of its descendants |
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| made up of small singled celed prokaryotic organsims |
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| domain consists of prokaryotes |
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| aligns with the domain Bacteria |
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| aligns with the doman Archaea |
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| whose members are called protists |
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| second kingdom of eukaryotes |
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| consists of eukaryotes and mulicellular plants |
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| forth kingdom of eukaryotes |
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