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Tolli/Stapp 19

Classification of Organisms - 6.12CD

TermDefinition
Taxonomy The branch of science that formally names and classifies organisms by their structure, function, and relationships.
Structure The arrangement of parts that form a living thing.
Eukaryotic Cell A cell with a nucleus and membrane-bound organelles.
Prokaryotic Cell A cell lacking a nucleus or any other membrane-enclosed organelle.
Unicellular Organism An organism made up of one cell.
Multicellular Organism An organism made up of more than one cell, and often made up of different types of cells.
Function What something does.
Autotrophic Organism An organism that obtains its nutrition from simple, inorganic compounds.
Heterotrophic Organism Unable to make its own food from simple inorganic molecules.
Reproduction The process by which organisms produce more of their own kind.
Sexual Reproduction The reproductive process involving two parents whose genetic material is combined to produce a new organism different from themselves.
Asexual Reproduction A method of reproduction that requires only one parent.
Domains The highest level of the taxonomic hierarchy; includes three groups: Archaea, Bacteria, and Eukarya.
Domain Bacteria One of the three taxonomic domains; includes prokaryotic, single-celled organisms that lack a membrane-enclosed nucleus and that can be classified by shape.
Domain Archaea One of the three taxonomic domains; includes unicellular organisms that are prokaryotic like bacteria, but also share characteristics with eukaryotes.
Domain Eukarya One of the three taxonomic domains of organisms; cells contain a membrane-enclosed nucleus.
Kingdoms The second highest level in the taxonomic hierarchy; contains six groups: Archaea, Bacteria, Protista, Fungi, Plantae, and Animalia.
Kingdom Bacteria Kingdom of prokaryotic, single-celled organisms that lack a membrane-enclosed nucleus and can be classified by shape.
Kingdom Archaea Kingdom of unicellular organisms that are prokaryotic like bacteria, but also share characteristics with eukaryotes.
Kingdom Protista Kingdom of single-celled and simple multiple-celled eukaryotic organisms.
Kingdom Fungi Kingdom of heterotrophic eukaryotes that reproduce through asexual spores and have chitin in their cell walls.
Kingdom Plantae Kingdom of autotrophic eukaryotes that includes all plants.
Kingdom Animalia Kingdom of heterotrophic eukaryotes that includes all animals.
Created by: foremanh
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