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Classification
*7.14AB Classification
| Term | Definition |
|---|---|
| taxonomy | branch of biology in which organisms are named and organized based on shared traits; from broadest to most specific: domain, kingdom, phylum, class, order, family, genus, and species |
| binomial nomenclature | a system in which each type of organism is given a scientific name with two terms |
| genus | a group of similar, closely related organisms |
| classification | the categorizing of organisms based on similarities and differences |
| domain | the most general level of organism classification |
| prokaryote | organism whose cells lack a nucleus and whose genetic material floats freely in the cells |
| decompose | to break down wastes and remains, returning nutrients to the ecosystem |
| protist | an organism that doesn't belong to any other kingdom |
| eukaryote | organism that has a nucleus in each cell that contains its genetic material |
| fungi | a kingdom of eukaryotic, single- or multicellular organisms that have cell walls made of chitin and are heterotrophic decomposers |
| eubacteria (bacteria) | a kingdom of prokaryotic, single-celled organisms that live in every environment on Earth |
| organic matter | material that is, was, or was produced by a living organism |
| organism | an individual form of life, such as a plant, animal, bacterium, protist, or fungus; a body made up of organs, organelles, or other parts that work together to carry on the various processes of life |
| heterotroph | an organism which consumes or decomposes other organisms for energy |
| autotroph | an organism which produces its own energy from sunlight |
| unicellular organisms | living organisms with only one cell |
| multicellular organisms | living organisms with many cells |
| ecosystem | the living and non-living factors that support |
| plantae | a kingdom of organisms that are multicellular autotrophs |
| animalia | a kingdom of organisms that are multicellular heterotrophs and are consumers in their ecosystems |
| kingdom | the second most general level of organism classification |
| hierarchy | A system in which members or elements are ranked according to levels of importance or authority. |
| phylum | A major taxonomic category that ranks above class and below kingdom, used to group organisms based on shared characteristics. |
| class | A taxonomic rank below phylum and above order, used to categorize organisms that share a set of common traits. |
| species | A group of organisms that can interbreed and produce fertile offspring. |
| order | A taxonomic rank used in the biological classification of organisms, grouping together families that share common characteristics. |
| broad | Covering a large number and wide scope of subjects or areas. |
| family | A taxonomic rank in the biological classification system that groups together related genera sharing common characteristics. |
| archaebacteria (archaea) | A group of microorganisms that are similar to bacteria but genetically distinct, often found in extreme environments. |
| specific | Referring to a particular or distinct entity, often used to describe characteristics that differentiate one item from another. |
Created by:
trauberk
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