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24 terms

Bio-ag

chapter 18.
STUDY
PLAY
taxonomy
practice of classifying plants and animals according to their presumed natural relationships
binomial nomenclature
Classification system in which each species is assigned a two-part scientific name
taxon
animal or plant group having natural relations
class
(biology) a taxonomic group containing one or more orders
family
primary social group
phylum
(biology) the major taxonomic group of animals and plants
genus
a general kind of something
order
putting in order
kingdom
a basic group of natural objects
phylogeny
(biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms
evolutionary classification
Method of grouping organisms together according to their evolutionary history
derived character
Characteristic that appears in recent parts of a lineage, but not in its older members
cladogram
a tree diagram used to illustrate phylogenetic relationships
molecular clock
Model that uses DNA comparisons to estimate the length of time that two species have been evolving independently
domain
a knowledge domain that you are interested in or are communicating about
Bacteria
(microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission
Eubacteria
a large group of bacteria having rigid cell walls
Archaea
Domain of unicellular prokaryotes that have cell walls that do not contain peptidoglycan
Archaebacteria
considered ancient life forms that evolved separately from bacteria and blue-green algae
Eukarya
Domain of all organisms whose cells have nuclei, including protists, plants, fungi, and animals
Protista
eukaryotic one-celled living organisms distinct from multicellular plants and animals: protozoa, slime molds, and eukaryotic algae
Fungi
(pun) the one who buys the drinks
Plantae
the taxonomic kingdom comprising all living or extinct plants
Animalia
taxonomic kingdom comprising all living or extinct animals