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Classification
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Slide 1

Classification

Classification

Slide 2

Species of Organisms

Species of Organisms

There are 13 billion known species of organisms

This is only 5% of all organisms that ever lived!!!!!

New organisms are still being found and identified

Slide 3

What is Classification?

What is Classification?

Classification is the arrangement of organisms into orderly groups based on their similarities

Classification is also known as taxonomy

Taxonomists are scientists that identify & name organisms

Slide 4

Benefits of Classifying

Benefits of Classifying

Accurately & uniformly names organisms

Prevents misnomers such as starfish & jellyfish that aren't really fish

Uses same language (Latin or some Greek) for all names

Seahorse??

Slide 5

Confusion in Using Different Languages for Names

Confusion in Using Different Languages for Names

Slide 6

Latin Names are Understood by all Taxonomists

Latin Names are Understood by all Taxonomists

Slide 7

Early Taxonomists

Early Taxonomists

2000 years ago, Aristotle was the first taxonomist

Aristotle divided organisms into plants & animals

He subdivided them by their habitat ---land, sea, or air dwellers

Slide 8

Early Taxonomists

Early Taxonomists

John Ray, a botanist, was the first to use Latin for naming

His names were very long descriptions telling everything about the plant

Slide 9

Carolus Linnaeus 1707  1778

Carolus Linnaeus 1707 1778

18th century taxonomist

Classified organisms by their structure

Developed naming system still used today

Slide 10

Carolus Linnaeus

Carolus Linnaeus

Called the Father of Taxonomy

Developed the modern system of naming known as binomial nomenclature

Two-word name (Genus & species)

Slide 11

Standardized Naming

Standardized Naming

Binomial nomenclature used

Genus species

Latin or Greek

Italicized in print

Capitalize genus, but NOT species

Underline when writing

Turdus migratorius

American Robin

Slide 12

Binomial Nomenclature

Binomial Nomenclature

Which TWO are more closely related?

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