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CLASSIFICATION SYSTEMS

CLASSIFICATION SYSTEMS. TAXONOMY aka “systematics” the study of the classification of all living things. WHY CLASSIFY?. Sets up an organized system so scientists can communicate. Shows evolutionary linkages between organisms. The Hierarchical System. Kingdom Phylum Class Order Family

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CLASSIFICATION SYSTEMS

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  1. CLASSIFICATION SYSTEMS

  2. TAXONOMYaka “systematics”the study of the classification of all living things

  3. WHY CLASSIFY? • Sets up an organized system so scientists can communicate. • Shows evolutionary linkages between organisms.

  4. The Hierarchical System Kingdom Phylum Class Order Family Genus Species

  5. BINOMIAL NOMENCLATUREthe system used to identify all organisms using a two part Latin name

  6. Keys to Binomial Nomenclature Felis domesticus • Must be in Latin • Must be in italics or underlined • Genus (1st word) must be capitalized • Species must be lowercase

  7. Examples of Common Scientific Names • Canis familiaris - dog • Felis domesticus - cat • Canis lupus - wolf • Vulpes vulpes - fox • Populus deltoides - cottonwood

  8. There are estimated to be 5-10 million species in this world. We have scientifically identified 1.5 million of them.

  9. THE FIVE KINGDOMS Monera Protista Fungi Plantae Animalia

  10. Monera • Prokaryotic • Unicellular • Bacteria

  11. Protista • Eukaryotic • Single celled / simple multicellular • Heterotrophs and Autotrophs • Includes organisms that “don’t fit”

  12. Fungi • Eukaryotic • Chitin in wall (soft cell wall) • Heterotrophic • Reproduce by spores

  13. Plantae • Eukaryotic • Multicellular • Cells with cellulose in cell wall • Autotrophic • Photosynthetic

  14. Animalia • Eukaryotic • Multicellular • Cells without walls • Heterotrophic

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