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Ch 9 Classification
| Definition | |
|---|---|
| classification | placing things into organized groups based on similar characteristics |
| taxonomy | the science of describing, naming, and classifying living things |
| Carolus Linnaeus | Swedish scientist who founded modern taxonomy |
| domain | the largest classification group; it includes all things |
| kingdom | the subgroup of domain |
| phylum | the subgroup of kingdom |
| class | the subgroup of phylum |
| order | the subgroup of class |
| family | the subgroup of order |
| genus | the subgroup of family |
| species | the subgroup of genus |
| binomial nomenclature | two-part name given to every living thing; the first part is the genus and the second part is the species |
| dichotomous key | an identification aid that scientists use to classify organisms; consists of pairs of descriptive statements |
| Domain Archaea | domain made up of prokaryotes most of which live in extreme environments |
| Domain Bacteria | domain made of prokaryotes that usually have a cell wall; can be found in water, soil and the human body |
| Domain Eukarya | domain made of living things whose cells have a nucleus and organelles |
| Kingdom Plantae | kingdom which is made up of organisms which are eukaryotic, have cell walls and can make food |
| Kingdom Fungi | kingdom of organisms which do not perform photosynthesis |
| Kingdom Animalia | complex, multicellular organisms that DO NOT have cell walls |
| Kingdom Protista | kingdom of single-celled or simple multicellular organisms, includes protozoans, algae, slime, molds, etc |
| branching diagram | identification tool which shows the similarities and differences between organisms |
| protozoans | animal-like protists |
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