BIOLOGICAL SCIENCES
LET Reviewer Biology Majorship Biological Science 1 (Plant and Animal Biology 1) Systematics ∙ classification of organisms and the evolutionary relationships among them Taxonomy ∙ study of grouping and classification Taxon ∙ any named group of organisms that is sufficiently distinct to be assigned to a certain category Levels of Classification Kingdom Phylum Class Order Family Genus Species Binomial system of classification ∙ by Carolus Linnaeus ∙ use of Genus and Species o make up the scientific name o first letter of the genus is always capitalized, while the species name starts with a small letter. It should be in italics (underlining the genus and species means it is in italics) Example: Homo sapiens Mus musculus Common name ∙ less precise ∙ could refer to more than one organism Six kingdom scheme Achaebacteria ∙ prokaryotic (without true nucleus) ∙ extremophiles ∙ no peptidoglycan in the c