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Classification

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Classification Chapter 9 Classification is the Arrangement of organisms into orderly groups based on their similarities Classifying living things makes it easier for ... – PowerPoint PPT presentation

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Title: Classification


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
  • 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.

9
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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

14
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15
  • Six Kingdoms
  • Archaebacteria
  • Eubacteria
  • Protista
  • Fungi
  • Plant
  • Animal
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