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Father of Taxonomy . Carolus Linnaeus (aka Carl Van Linne ) . Why Classify Living things? . Identify Relationships between organisms (Evolutionary ) . Why Classify Living Organisms . 2. Identify key characteristics of each organism . Same species – fur does not make them different species.
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Father of Taxonomy Carolus Linnaeus (aka Carl Van Linne)
Why Classify Living things? Identify Relationships between organisms (Evolutionary)
Why Classify Living Organisms 2. Identify key characteristics of each organism Same species – fur does not make them different species
Why Classify Living Organims • 3. Avoid Confusion • Common names can be misleading • Ex: Starfish is not a fish • Different languages • Ex: Fish, Poisson • Multiple common names • Ex: Crayfish, Crawfish, Crawdads
Levels of Classification Only two categories up until the 1960s!
6 Kingdoms Eukaryote – cells with true membrane bound nucleus, and membrane bound organelles Prokaryote – cells lack true nucleus and membrane bound organelles
Scientific Name • Binomial Nomenclature • Written in Latin • Genus, species • Italicized or underlined • Ex: FelisCatus – house cat • Pantheraleo - lion • Pantheratigris - tiger
Biological Definition of Species Two similar organisms that can interbred naturally and produce viable, fertile offspring