Chapter 20 Section 1: Biology

Classification
Grouping together of objects or information based on similarities.

Taxonomy
Branch of biology dealing with grouping and naming organisms based on their similarities, chemical makeup, and evolutionary relationships.

Genus
First word of the two-part scientific name used to classify a group of closely related species.

Binomial Nomenclature
Two-word classification on system originated by Carolus Linnaeus for naming species; the first word is the genus name and the second word is the descriptive name of specific epithet.

Family
Taxonomic grouping of closely relates genera.

Order
Taxonomic grouping of closely related families.

Class
Taxonomic grouping of relates orders.

Phylum
Taxonomic grouping of related classes.

Kingdom
Taxonomic grouping of related phyla.

Division
Taxonomic grouping of relates classes for plant; the equivalent category of phylum in animal taxonomy.

Domain
The highest level of taxonomic rank organisms in which there are 3 groupings: Archaea, Bacteria, and Eukarya.

Phylogeny
Evolutionary history of a species based on comparative relationships of structures, and comparisons of modern life forms with fossils.