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Glossary of chapter 18 vocabulary 2

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family
in taxonomy, a group of related genera
genus
in taxonomy, a group of similar species
kingdom
in taxonomy, a group of similar phyla or divisions
kingdom Animalia
made up of eukaryotic, multicellular heterotrophic
organisms
kingdom Archaebacteria
group containing unicellular prokaryotes with
distinctive cell membranes as well as genetic and biochemical properties that
differ from all other kinds of life
kingdom Eubacteria
made up of unicellular prokaryotes
kingdom Fungi
made up of heterotrophic unicellular and multicellular
eukaryotic organisms that absorb rather than ingest nutrients
kingdom Plantae
made up of all multicellular plants
order
in taxonomy, a group of similar families
phylogenetic tree
a family tree that shows the evolutionary relationships
thought to exist among groups of organisms
phylogeny
the evolutionary history of a species or taxonomic group
phylum
in taxonomy, a group of similar classes
protist
members of the kingdom Protista
species
a group of organisms of a single type that are capable of producing
fertile offspring in the natural environment
species identifier
the second part of a species name; humans are known by
genus name Homo and by species identifier sapiens; specific epithet
species name
the two-part scientific name of a species composed of the genus
and the species identifier
subspecies
varieties of animal species that occur in different geographical
areas
systematics
systematic taxonomy; taxonomic organization of living things in
the context of evolution
taxonomy
the science of grouping organisms according to their presumed
evolutionary relationships
variety
a further division or subset of species

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