Scientific Names The unique two part name for a species is now referred to as its Scientific name. The first word is the genus to which an organism belongs. Genus= a taxonomic category containing similar species. Organisms in a genus contain similar characteristics.
Scientific names The first letter in a genus name is always capitalized. The first letter of the second word is always lower case. Scientific names are always italicized or underlined. After the first full use of the scientific name it can be abbreviated as a single letter.
Scientific names Gives biologists a common way of communicating regardless of their native language. One species may have many common names and one common name may be used for more than one species.
Scientific names Example in Great Britain a robin is called Erithacus rubicula. The very different bird called a robin in North America is Turdus migratorius.
Scientific Names The name given to a species must conform to the rules established by the international commission of scientists. All must have 2 Latin words or terms created by the rules of Latin grammar. Two different types of organisms cannot have the same scientific name.
Scientific Name Since the members of a genus share the same genus name the second word in the name of each member of that genus must be different. For example only one species of the genus Homo can be given the name sapiens.
Classifying Organisms Linnaeus worked out a broad system of classification for plants and animals in which an organism’s form and structure are based on arranging the specimens in a collection.
Classifying Organisms The different groups into which organisms are now classified have been expanded and now consists of 8 levels.
Classifying organisms Similar genera are grouped into family Similar families are combined into order Orders with common properties are united in class Classes with similar characteristics are assigned to a phylum
Classifying Organisms Similar phylum are collected into a kingdom Similar kingdoms are grouped into domains
Classifying Organisms All living things are grouped into one of 3 domains. Achaea, Bacteria, and Eukaryotes.
Classifying Organisms Remember: D o K indly P ay C ash O r F urnish G ood S ecurity Or Domain, Kingdom, Phylum, Class, Order, Family, Genus, and Species.