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ORGANISM CLASSIFICAT

6.12CD CLASSIFICATION OF ORGANISMS

TermDefinition
TAXONOMY Branch of science that formally names & classifies organisms by their structure, function, & relationships.
STRUCTURE Arrangement of parts that form a living thing.
FUNCTION What something does.
EUKARYOTIC CELL Cell with a nucleus & membrane-bound organelles.
PROKARYOTIC CELL Cell lacking a nucleus or any other membrane-enclosed organelle.
UNICELLULAR ORGANISM Organism made up of 1 cell.
MULTICELLULAR ORGANISM Organism made up of more than 1 cell & often made up of different types of cells.
AUTOTROPH Organism that obtains its nutrition from simple, inorganic compounds.
HETEROTROPH Organism that's unable to make its own food from simple inorganic molecules.
REPRODUCTION Process by which organisms produce more of their own kind.
SEXUAL REPRODUCTION Reproductive process involving 2 parents whose genetic material is combined to produce a new organism different from themselves.
ASEXUAL REPRODUCTION Method of reproduction that requires only 1 parent.
DOMAINS Highest level of the taxonomic hierarchy; includes 3 groups: Archaea, Bacteria, & Eukarya.
DOMAIN BACTERIA 1 of 3 taxonomic domains; includes prokaryotic, single-celled organisms that lack a membrane-enclosed nucleus & that can be classified by shape.
DOMAIN ARCHAEA 1 of 3 taxonomic domains; includes unicellular prokaryotic organisms, like bacteria, but also share characteristics w/eukaryotes.
DOMAIN EUKARYA 1 of 3 taxonomic domains of organisms; cells contain a membrane-enclosed nucleus.
KINGDOMS 2nd highest level in taxonomic hierarchy; contains 6 groups: Archaea, Bacteria, Protista, Fungi, Plantae, & Animalia.
KINGDOM BACTERIA Kingdom of prokaryotic, single-celled organisms that lack a membrane-enclosed nucleus & 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 & simple multiple-celled eukaryotic organisms.
KINGDOM FUNGI Kingdom of heterotrophic eukaryotes that reproduce through asexual spores & 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: trauberk