Taxonomy
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Taxonomy: . Classification of Organisms Meridith McConnell. How are vehicles classified?. Retrieved November 6, 2012 from: http :// o.aolcdn.com /commerce/images/ mercedes_11eclasscoupe_angularfront_Regular.jpg

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Taxonomy

Taxonomy:

Classification of Organisms

Meridith McConnell


How are vehicles classified

How are vehicles classified?

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Taxonomy

Brand: Chevrolet

Make: Silverado Model: 2500hd

Color: White

Just as cars are classified based on their brand, make, model, and color; plants and animals are classified into different categories based on similarities of structure and evolutionary history.

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What is taxonomy

A systematic method of classifying plants and animals. Classification of organisms based on degrees of similarity supposedly representing evolutionary (phylogenetic) relatedness.

What is Taxonomy?


Importance of taxonomic system

Importance of Taxonomic System

  • Taxonomy creates a vivid picture of the existing organic diversity on earth.

  • Taxonomy provides information that enables scientists to make a reconstruction of the phylogeny of life.

  • Taxonomy divulges numerous evolutionary phenomena.

  • Taxonomy supplies classifications which lead to explain branches of biology and paleontology.


Past present

Past & Present:

Organisms were first classified over 2000 years ago by the Greek philosopher, Aristotle. He grouped animals into land, water, and air dwellers.

He also grouped plants into three categories. These were based on different stems.
This classification system became insufficient over time as many new species were discovered.

Common names were no longer effective either because these differed between different locations. (oak tree, goldfish)

Biologists then developed the biological classification system to name, organize, and categorize organisms.

The new classification system is now strongly based on common descent through DNA analysis rather than solely physical similarities of plants and animals.


Categories of taxonomy

Categories of Taxonomy

1. Domain

2. Kingdom

3. Phylum

4. Class

5. Order

6. Family

7. Genus

8. Species

Domain was not originally a part of the system, but once scientists discovered that bacteria consist of two distinctly related groups, an 8th taxonomic rank was added to the top of the hierarchy- domain.

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Http www youtube com watch v dnf udpbjz0

Taxonomy Song!!!!!!

CLICK HERE!

http://www.youtube.com/watch?v=dnF_UdPbJZ0

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Mnemonic

Mnemonic

=Domain

=Kingdom

=Phylum

=Class

=Order

=Family

=Genus

=Species

Did

King

Philip

Come

Over

For

Great

Spaghetti?

Make your own mnemonic

& share with the class!

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Quick knowledge check activity

Quick Knowledge Check Activity

  • Get into groups of 2

  • Given notecards with a different level of taxonomy written on each one, arrange the notecards in the correct taxonomic order without using any notes or your book.

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Things to know

Things to Know:

  • Classification- The process of grouping things based on their similarities

  • Binomial nomenclature - System of naming organisms based on observable features (two names).  Created by Linnaeus

  • The 3 main characteristics used to classify organisms into domains and kingdoms are:

    - cell type

    - their ability to make food,

    - the number of cells in their bodies

    Review From Chapter on Cells:

  • Prokaryote - Organisms whose cells lack a nucleus

  • Eukaryote - Organisms with cells that contain a nuclei.


Domain

Domain:

Consists of Archaea, Eubacteria, and Eukarya

Archaea’s Kingdom: Archaebacteria Kingdom

Eubacteria’s Kingdom: Eubacteria Kingdom

Eukarya’s Kingdoms:

Protista Kingdom


Fungi Kingdom


Plantae Kingdom


Animalia Kingdom


Archaebacteria kingdom under archaea domain

Archaebacteria Kingdom (under Archaea Domain)

Eubacteria Kingdom (under Eubacteria Domain)

Consists of Organisms: Methanogens, Halophiles, Thermophiles, Psychrophiles

Cell Type:Prokaryotic

Characteristics:

Cell Structures: Cell walls WITHOUT peptidoglycans

Number of Cells: Unicellular

Mode of Nutrition: Autotroph or heterotroph

Consists of Organisms: Bacteria, Cyanobacteria(blue-green algae), Actinobacteria

Cell Type: Prokaryotic

Characteristics:

Cell Structures: Cell walls WITH peptidoglycans

Number of Cells: unicellular

Mode of Nutrition: Autotroph or heterotroph


Protista kingdom under eukarya domain

Protista Kingdom (under Eukarya Domain)

Fungi Kingdom (under Eukarya Domain)

Organisms: Amoebae, green algae, brown algae, diatoms, euglena, slime molds

Cell Type:Eukaryotic

Characteristics:

Cell Structures: Cell walls of CELLULOSE: some have chloroplasts

Number of Cells: Most unicellular, some colonial or multicellular

Mode of Nutrition: Autotroph or heterotroph

Organisms: Mushrooms, yeast, molds

Cell Type:Eukaryotic

Characteristics:

Cell Structures: Cell walls of CHITIN

Number of Cells: some unicellular, MOST MULTICELLULAR

Mode of Nutrition: Heterotroph


Plantae kingdom under eukarya domain

Plantae Kingdom (under Eukarya Domain)

Animalia Kingdom (under Eukarya Domain)

Organisms:Mosses, angiosperms (flowering plants), gymnosperms, liverworts, ferns

Cell Type:Eukaryotic

Characteristics:

Cell Structures: Cell walls with CELLULOSE; chloroplasts

Number of Cells: MULTICELLULAR

Mode of Nutrition: Autotroph

Organisms:

Mammals, amphibians, sponges, insects, worms

Cell Type:Eukaryotic

Characteristics:

Cell Structures: NO Cell walls and NO CHLOROPLASTS

Number of Cells: Multicellular

Mode of Nutrition: Heterotroph


Practice makes perfect

CLICK HERE!

Practice Makes Perfect

Check out this flashcard website on kingdoms to practice what you just learned!

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Taxonomy

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Team Game!

The List:

AmoebaeChaetomium thermophileLiverwortsCholeraSpongesHalophilesGiant kelpAmoebaeBlack moldMushroomsE. coliDawsoniaHorses

- Get into groups of 3.- Correctly group the following organisms together based on similarities, differences, and your new knowledge of kingdom classifications?- You may use your internet on your cell phone to look up unfamiliar organisms.**The first team to group the organisms correctly gets a PRIZE!!!!**


Pop quiz you may use your notes to help

Pop Quiz*You may use your notes to help

_______ is the process of grouping things based on their similarities.

_______ is the scientific study of how living things are classified.  _______(same word) & evolution are closely related.

_______ is the system of naming organisms based on observable features (two names).  Created by Linnaeus.

_______ are organisms whose cells lack a nucleus.

_______ are organisms with cells that contain a nuclei.

Why do biologists organize living things into groups?

Name the 8 levels of classification in correct order.

Name each of the domains into which organisms are classified.

What are the 3 characteristics are used to classify organisms into domains and kingdoms?

Bonus: What do the levels of classification indicate about the relationship between organisms?


Grade neighbor s quiz

Grade Neighbor’s Quiz

Classification

Taxonomy, Taxonomy

Binomial Nomenclature

Prokaryotes

Eukaryotes

Biologists use classification to organize living things into groups so that organisms are easier to study.

Domain, kingdom, phylum, class, order, family, genus, species

cell type, their ability to make food, the number of cells in their bodies.

Eubacteria, Achaea, Eukarya (protist, fungi, plants, animals)

*Bonus: The more classification levels that two organisms share, the more characteristics they have in common.


References

References


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