25 terms

Pearson Biology Chapter 18

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Bacteria
domian of unicellular prokaryotes that have cell walls containing peptidoglycan; corresponds to the kingdom eubacteria
Binomial nomenclature
classification system in which each species is assigned a two-part scientific name
Clade
evolutionary branch of a cladogram that includes a single ancestor and all its descendants
Cladogram
diagram depicting patters of shared characteristics among species
Class
in classification, a group of closely related orders
Derived character
trait that appears in recent parts of a lineage, but not in its older members
Domain
larger, more inclusive taxonomic category than a kingdom
Eukara
organisms that contain nuclei
Family
in classification, group of similar genera
Genus
group of closely related species; the first part of the scientific name in binomial nomenclature
Kingdom
largest and most inclusive group in Linnaean classification
Order
in classification, a group of closely related families
Phylogeny
the evolutionary history of a lineage
Phylum
in classification, a group of closely related classes
Systematics
study of the diversity of life and the evolutionary relationships between organisms
Taxa
groups of organisms given names, and may be species, genera, families, orders, classes, phyla, or kingdoms
taxonomy
a classification of organisms into groups based on similarities of structure or origin etc
six kingdoms
Bacteria, Archaea, Protista, Fungi, Plantae and Animalia
three domains
Eukarya, Bacteria, Archaea
Eukarya
Domain of all organisms whose cells have nuclei, including protists, plants, fungi, and animals
thermophiles
organisms that live in extremely hot environments
chitin
polysaccharide found in the cell walls of fungi
halophile
an organism that can grow in, or favors environments that have very high salt concentrations
peptiglycan
substances made of sugars and peptides that is found in the cell walls of eubacteria
cellulose
polysaccharide made by joining glucose submits which makes plants and some protists sturdy