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Classification

Published on Dec 15, 2015

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PRESENTATION OUTLINE

Classification

How and why do we classify organisms?
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Classification is the arrangement of organisms into groups based on similarities

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We classify so we know...

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How many species there are

The characteristics of species

The relationships between the species

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Taxonomy is the science of identifying, classifying and naming things

Carl Linnaeus, a Swedish botanist and physician, founded taxonomy in the 1700's

Photo by Joe Lencioni

Linnaeus created systems we still use today

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Levels of classification
Kingdom
Phylum
Class
Order
Family
Genus
species

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KPCOFGs

Kangaroo poop can occasionally fly at great speeds
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Branching diagrams that show the relationship between organisms

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Binomial nomenclature


our two part scientific naming system

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An organism's scientific name is its Genus and species
EX: Felis catus

A dichotomous key is a guide to identifying organisms

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Dichotomous keys use a series of either/or statements to identify the organism

Photo by spratmackrel

These systems help scientists organize and communicate what we know about the life around us.