CLASSIFICATION SYSTEMS

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Presentation transcript:

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 Genus Species

BINOMIAL NOMENCLATURE the system used to identify all organisms using a two part Latin name

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

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

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

THE FIVE KINGDOMS Monera Protista Fungi Plantae Animalia

Monera Prokaryotic Unicellular Bacteria

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

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

Plantae Eukaryotic Multicellular Cells with cellulose in cell wall Autotrophic Photosynthetic

Animalia Eukaryotic Multicellular Cells without walls Heterotrophic