17.1 Classification Think about how things are grouped in a store or in your kitchen to help create order.

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Presentation transcript:

17.1 Classification Think about how things are grouped in a store or in your kitchen to help create order.

Classification Classification – the grouping of objects based on similarities Taxonomy – branch of biology that groups and names organisms based on characteristics

Early Classification Aristotle, Greek philosopher B.C. Plants Animals

Early Classification Carolus Linnaeus, Swedish botanist Based on structural similarities Binomial nomenclature – two word naming system in Latin Genus species Homo sapiens Common name humans

Classification Today We still use the system Linnaeus used Taxonomic rankings Larger groups share traits Kingdom Phylum Class Order Family Genus species

Keys to evolutionary relationships Similar structure

Keys to evolutionary relationships Similar structure Breeding behavior

Keys to evolutionary relationships Similar structure Breeding behavior Location

Keys to evolutionary relationships Similar structure Breeding behavior Location Chromosome structure

Keys to evolutionary relationships Similar structure Breeding behavior Location Chromosome structure Biochemistry

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