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Classification - PowerPoint PPT Presentation


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Classification. What is Classification?. Classification is the arrangement of organisms into orderly groups based on their similarities. Why classify?. There are millions of different living things in the world Making sense of all those living things requires classification

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Presentation Transcript
what is classification
What is Classification?
  • Classification is the arrangement of organisms into orderly groups based on their similarities
why classify
Why classify?
  • There are millions of different living things in the world
  • Making sense of all those living things requires classification
  • Classifying living things makes it easier for biologists to answer questions
levels of classification
Levels of Classification

Domain

  • Kingdom
  • Phylum (plural: phyla)
  • Class
  • Order
  • Family
  • Genus (plural: genera)
  • Species (contains only one kind of organism)
k evin p lease c ome o ver f or g rape s oda
Kevin Please Come Over For Grape Soda
  • Kingdom – Most General
  • Phylum
  • Class
  • Order
  • Family
  • Genus
  • Species – Most Specific
taxonomy
Taxonomy
  • Carolus Linnaeus was a Swedish physician and botanist who lived in the 1700’s.
  • Linnaeus founded taxonomy
  • taxonomy - the science of identifying, classifying, and naming living things
what is a taxonomist
What is a taxonomist?
  • A taxonomist is a scientist that uses a dichotomous key to classify living organisms
the six kingdoms
The Six Kingdoms
  • Archaea
  • Bacteria
  • Protista
  • Plantae
  • Fungi
  • Animalia
binomial nomenclature
Binomial nomenclature
  • Two-part scientific name
  • The first part of the name identifies the genus, and the second part identifies the species
    • Ex. Tyrannosaurus rex
    • Ex. Elephas maximus (Indian elephant)
dichotomous key
Dichotomous key
  • Aid in identifying unknown organisms
slide11

Wacky People Key

1a Two feet 2

1b Some other number of feet 3

2a Does not look at all human 4

2b Looks a lot like a human 5

3a One leg 6

3b Three or four legs 7

4a Fly-like Mosk cara

4b Not fly-like 8

5a Seems to be a girl Rita nita

5b Not a girl 9

6a Leg is curled , two feet

Ru-ela brella

6b Leg is straight, one foot

Giggles

slide12

7a Three legs 10

7b Four legs 11

8a Has webbed feet Hex oculate

8b Clawed feet 12

9a Curly hair, no toes Lugio wirum

9b Wiggly looking mouth, three toes on feet Cutey nile

10a Very long nose, open mouth Elle funk

10b Some other appearance 13

11a Has duck bill, two pinchers Tri duckt

11b No arms or pinchers 14

slide13

12a Has ears, tail, and beak Grif leon

12b Four eyes on stalks Eggur ondy

13a One eye, webbed feet Cue kide

13b Four stalked eyes, four pinchers Quadrumenox

14a Three toed feet, nose like a flower Tunia petalos

14b Spider-like, has spots Patterned mulywumpus