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26 Cards in this Set

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The science of the classification of organisms.
Taxonomy
Subdivisions used to classify organisms

e.g. domain, kingdom, phylum
Taxa
The science organizing groups of organisms into a hierarchy.
Systematics
The evolutionary history of a group of organisms; phylogenetic relationships are evolutionary relationships.
Phylogeny
All eukaryotes (animals, plants, fung, and protists); members of the domain Eukarya
eukarya
Domain of prokaryotic organisms, characterized by peptidoglycan cell walls
Bacteria
Domain of prokaryotic cells lacking peptidoglycan; one of the three domains.
Archea
The first name of the scientific name (binomial); the taxon between family and species.
Genus
The second or species name in a scientific binomial.
Specific Epithet
The system of having two names (genus and specific epithet) for each organism; also called scientifc nomenclature.
Binomial Nomenclature
A group of closely related organisms that can interbreed.
Eukaryotic Species
A taxonomic group between order and genus.
Family
A taxonomic group between class and family.
Order
A taxonomic group between phylum and order.
Class
A taxonomic classification between kingdom and class.
Phylum
A taxonomic classification between domain and phylum.
Kingdom
A taxonomic classification based on tRNA sequences and above the kingdom level.
Domain
A population of cells that share certain tRNA sequences; in conventional biochemical testing, it is a population of cells with similar characteristics.
Prokaryotic Species
A population of cells arising from a single parent cell.
Clone
Genetically different cells within a clone.
Strain
Term used for unicellular and simpe multicellular eukaryotes; usually protozoa and algae.
Protista
A group of organisms that share a particular common ancestor
Clades
a eukaryotic absorptive chemoheterotroph.
Fungi
The kingdom composed of multicellular eukaryotes with cellulose cell walls.
Plantae
The kingdom composed of multicellular eukaryotes lacking cell walls.
Animalia
A group of viruses sharing the same genetic information and ecological niche.
Viral Species