W F B 3000 Study Guide - Midterm Guide: Species Problem, Air Sacs, Cloaca
19 Oct 2017
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Document Summary
Phylogenetics: branch of science aimed at identifying evolutionary relationships between organ. Taxonomy: a field of biology that deals with naming and classifying species. Single level is called a taxon or taxa (plural) Systematics: the branch of biology that deals with classifying, describing, and naming species w considering phylogeny. Monotypic: taxon with only one member in the next lower taxon. Type specimen: the body of the animal that was used to originally describe the species; usually a museum. Type species: the species used to first describe the genus. Phylum chordata rganisms. ies while ually kept in. ~500 million species total to have ever lived earth. A group of individuals that can interbreed with each other (in nature) but not with other. Doesn"t work for asexual reproducers or populations that are geographically isolat. A group of individuals that is morphologically, physiologically, or biochemically distinct fr other groups. Determined by traits that can be observed or measured.
