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science
vocabulary
Term | Definition |
---|---|
cell | the smallest unit of an organism that performs life functions |
nucleus | a structure found in eukaryotic cell that contain DNA and is responsible for controlling the activities of the cell |
classification | the process of grouping things based on similarities |
taxonomy | the branch of science that formally names and classifies organisms by their structure,function and relationship |
Domain | the highest and largest rank of grouping organisms Three groups: Archaea,Bacteria,and Eukarya |
Domain Bacteria | prokaryotic,single-celled organism that lacks a nucleus in its cell |
Domain Archaea | prokaryotic, single-celled organism that lacks a nucleus in its cell and can live in extreme environments |
Domain Eukarya | organisms with cells that contain a nucleus |
Kingdom | a taxonomic rank below Domain 6 groups: Animalia, Fungi, Plantae, Protista, Archaea, and Eubacteria |
autotroph | an organism that is able to make its own food; known as a producer in food chain |
heterotroph | an organism that CANNOT make its own food; |