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Taxonomy - PowerPoint PPT Presentation


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Taxonomy. What is taxonomy ?. Taxonomy is the branch of biology concerned with the grouping and naming of organisms Biologists who study this are called taxonomists. How did it start?. People wanted to organize their world so they began grouping , or classifying everything they saw.

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Presentation Transcript
what is taxonomy
What is taxonomy?
  • Taxonomy is the branch of biology concerned with the grouping and naming of organisms
  • Biologists who study this are called taxonomists
how did it start
How did it start?
  • People wanted to organize their world so they began grouping, or classifying everything they saw.
slide4
Things that swim
  • Things that fly
  • Things that crawl
  • Things that walk on four legs
  • Things that chew their food
  • Things that swallow food whole
  • Things that are toxic
why classify
Why classify?
  • To help us study the earth
  • To help us organize all the species we discover . . .
slide6
To give every species a name based on a standard method so scientists from different countries can talk about the same animal without confusion
who is carolus linnaeus
Who is Carolus Linnaeus?
  • Carolus Linnaeus was a Swedish botanist
  • Developed a 7-level (taxa) classification system based on similarities between organisms
the seven level system
Kingdom

Phylum

Class

Order

Family

Genus

Species

King

Phillip

Called

Oprah

For

Good

Spices

The Seven Level System
how does it work
How does it work?
  • There are 6 broad kingdoms
  • Every living thing that we know of fits into one of the six kingdoms
  • Each level gets more specific as fewer organisms fit into any one group
an animal is known by two names
An animal is known by two names…
  • Canis lupus is the scientific name for a gray wolf.
  • Canis is the genus name
  • lupus is the species name
  • This system uses a binomial nomenclature
genus
Genus…
  • A genus consists of a group of closely related species
  • Other animals in the Canis group include dogs and coyotes
  • The genus name is always Capitalized
species
Species...
  • A species consists of animals that can mate and produce fertile offspring
  • Only grey wolves are known as lupus.
  • The species name is always lowercase
binomial nomenclature
Binomial Nomenclature
  • Bi means two
  • Nomen means name
  • A binomial nomenclature is a classification system using two names to identify an organism
quick review
Quick Review
  • What are the seven taxa or levels?
  • Who designed the system?
  • What taxa are organisms named with?