1. Classification
Chapter 9

2. Classification is the
Arrangement of organisms into orderly groups based on their similarities

3. Classifying living things makes it easier for biologists to find the answers to many important questions:
How many known species are there?
What are the characteristics of each?
What are the relationships between these species?

4. Eight Levels of Classification:
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species

5. Does King Phillip Come Over For Grape Soda? Domain Kingdom Phylum
Mnemonic Device
Eight Levels of Classification
Does
King
Phillip
Come
Over
For
Grape
Soda?
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species

6. Taxonomy
The science of identifying, classifying, and naming living things.

7. Basis for Classification
Carolus Linnaeus—
Founder of taxonomy.
Attempted to classify all living organisms by their shared characteristics.

8. Branching Diagrams
Shows the evolutionary relationship between organisms.

10. Scientific Names
A scientific name is always the same for a specific organism no matter how many common names it might have.
Written in Latin or Greek
Scientific name is underlined or italicized
All known living things have a two-part scientific name

11. Two parts to the scientific name
Genus
First part of the name
The name always begins with a capital letter
Species
Second part of the name
The name always begins with a lowercase letter

12. Example of a scientific name
Elephas maximus is an Indian Elephant
Felis leo is a lion

13. Dichotomous Keys Aid in identifying unknown organisms
Consists of several pairs of descriptive statements
There are only two alternative responses

15. Six Kingdoms
Archaebacteria
Eubacteria
Protista
Fungi
Plant
Animal