UNIT 4-1 Focus On: Introduction to Classification History of Classification The First Classification System Naming Living Things

I. The History of Classification: A.Classification is: ______________ ____________________________ ____________________________ B.Classification is important to all fields of science because: ____________________________ ____________________________ ____________________________ the grouping of items together by similar characteristics. Every branch of science has many different things that can’t all be grouped together. 4-1: Introduction to Classification

C. Biological classification systems: _____________________________ _____________________________ _____________________________ Name and organize living things based on characteristics that are similar and observable. 4 legs or less More than 4 legs 4-1: Introduction to Classification

II. The First Classification Systems: A. In the fourth century BC, the Greek philosopher ______________ proposed a system to classify living things. He did this by: __________ ____________________________ ____________________________ Aristotle grouping animals by how they moved, if they walk, swim, or fly. 4-1: Introduction to Classification

4-1: Aristotle & Plato

1)The Greek philosopher compared birds to bats by: ________________________ ________________________ The fact that they had wings and could fly. Help me!!! o o L a t e T !! 4-1: Introduction to Classification

2)Problems with this way of grouping living things were that it was: (1)________________________ (2)________________________ Not specific enough. Did not include everything. 4-1: Introduction to Classification

III. Naming Living Things: A.In the 18th century, a Swedish scientist;___________________ developed:_________________ __________________________ __________________________ he was called a ___________ Carolus Linnaeus a simple two-part naming system using Latin Taxonomist Carl as the basis for the name Carl von Linne (Carolus Linnaeus) 4-1: Introduction to Classification

4-1: Carl (Carlous) Linnaeus:

III.Naming Living Things: B. Binomial Nomenclature: ______ __________________________ __________________________ ______________. 1) Genus:_____________________ _________________ 2) Species:____________________ __________________ System developed by Linnaeus that uses two parts to name an organism. First-part name in naming system. Second-part name in naming system. 4-1: Introduction to Classification

C. Write the Genus and Species for the following: Genus: species: 1.House cat: __________ _________ 2.Wolf: __________ _________ 3.Human: __________ _________ 4.Mountain Lion_______ _________ Felisdomesticus Canislupis Homo sapien Felis concolor 4-1: Introduction to Classification

Reviewing this Section: $ Explain how you could use classification in other subject areas. $ Why was Aristotle’s system not perfect? $ How did Aristotle classify animals? $ What was Carl Linnaeus’s contribution to classification? $ Name one problem that existed with classification before Linnaeus.