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Definition
| the division of organisms into groups, or, or classes, based on specific characteristics |
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| the science of describing, naming, and classifying organisms |
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| an aid that is used to identify organisms and that consists of the answers to a series of questions |
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| in a modern taxonomic system, a domain made up of prokaryotes (most of which are known to live in extreme environments) that are distinguished from other prokaryotes by differences in their genetics and in the makeup of their cell wall; this domain aligns with the traditional kingdom Archaebacteria. |
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| in a modern taxonomic system, a domain made up of prokaryotes that usually have a cell wall and that usually reproduce by cell division; this domain aligns with the traditional kingdom Eubactria. |
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| in a modern taxonomic system, a domain made up of all eukaryotes; this domain aligns with the traditional kingdoms Protista, Fungi, Plantae, and Animalia |
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Definition
| a kingdom of mostly one-celled eukaryotic organisms that are different from plants, animals, bacteria, and fungi |
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| a kingdom made up of nongreen, eukaryotic organisms that have no means of movement, reproduce by using spores, and get food by breaking down substances in their surroundings and absorbing the nutrients |
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Definition
| a kingdom made up of complex, multicellular organisms that are usually green, have cell walls made of cellulose, cannot move around, and use the sun's energy to make sugar by photosynthesis |
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Definition
| a kingdom made up of complex, multicellular organisms that lack cell walls, can usually move around, and quickly respond to their environment |
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