Bio 242 Exam 1 Practice Exam Questions Well Answered.

Taxonomy - Answer The field of biology that is involved in naming, describing, and classifying organisms, both extinct species and extant species International Code of Zoological Nomenclature (ICZN) - Answer The formal rules used by scientists in naming to promote stability and universality in the scientific names of animals and other organisms. Classification - Answer One branch of taxonomy where various things are identified and grouped together into groups. This orders and ranks things into a series of hierarchial levels Systematics - Answer The field of biology concerned with the identification of the evolutionary relationships among species through time. Phylogeny - Answer The pattern and history of evolutionary descent of all of the taxa used in a classification of organisms. Linneaus - Answer Wrote "Systema naturae" in the 18th century where he proposed the idea of binomial nomenclature. Hierarchical Classification Order - Answer Domain, Kingdom, Phylum, Class, Order, Family, Species Taxon - Answer The named taxonomic unit at any level Phylogenetic Tree - Answer A chart which shows all living species (on that chart) are descended from a common hypothetical ancestor. Allopatric specication - Answer When populations of the same species become isolated and interfere with genetic variation between them