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Classification Chapter 9

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Page 1: Classification Chapter 9. Classification is the Arrangement of organisms into orderly groups based on their similarities

Classification

Chapter 9

Page 2: Classification Chapter 9. Classification is the Arrangement of organisms into orderly groups based on their similarities

Classification is the

• Arrangement of organisms into orderly groups based on their similarities

Page 3: Classification Chapter 9. Classification is the Arrangement of organisms into orderly groups based on their similarities

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?

Page 4: Classification Chapter 9. Classification is the Arrangement of organisms into orderly groups based on their similarities

Eight Levels of Classification:

• Domain• Kingdom • Phylum• Class • Order • Family • Genus • Species

Page 5: Classification Chapter 9. Classification is the Arrangement of organisms into orderly groups based on their similarities

Eight Levels of Classification

• Domain• Kingdom• Phylum• Class• Order• Family• Genus • Species

Mnemonic Device

• Does• King• Phillip• Come• Over• For • Grape• Soda?

Page 6: Classification Chapter 9. Classification is the Arrangement of organisms into orderly groups based on their similarities

Taxonomy

• The science of identifying, classifying, and naming living things.

Page 7: Classification Chapter 9. Classification is the Arrangement of organisms into orderly groups based on their similarities

Basis for Classification

• Carolus Linnaeus—– Founder of taxonomy. – Attempted to classify all living organisms by

their shared characteristics.

Page 8: Classification Chapter 9. Classification is the Arrangement of organisms into orderly groups based on their similarities

Branching Diagrams

• Shows the evolutionary relationship between organisms.

Page 9: Classification Chapter 9. Classification is the Arrangement of organisms into orderly groups based on their similarities
Page 10: Classification Chapter 9. Classification is the Arrangement of organisms into orderly groups based on their similarities

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

Page 11: Classification Chapter 9. Classification is the Arrangement of organisms into orderly groups based on their similarities

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

Page 12: Classification Chapter 9. Classification is the Arrangement of organisms into orderly groups based on their similarities

Example of a scientific name

• Elephas maximus is an Indian Elephant

• Felis leo is a lion

Page 13: Classification Chapter 9. Classification is the Arrangement of organisms into orderly groups based on their similarities

Dichotomous Keys

• Aid in identifying unknown organisms

• Consists of several pairs of descriptive statements

• There are only two alternative responses

Page 14: Classification Chapter 9. Classification is the Arrangement of organisms into orderly groups based on their similarities
Page 15: Classification Chapter 9. Classification is the Arrangement of organisms into orderly groups based on their similarities

Six Kingdoms•Archaebacteria

•Eubacteria

•Protista

•Fungi

•Plant

•Animal


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