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The Classification
System
An Interactive PowerPoint
Presentation by Stacey Podolsky
The Classification System
Why do scientists
classify?
– All living organisms
have characteristics
which distinguish
them from nonliving
objects
– Scientists organize
living things into
groups so that
organisms are easier
to study
There Are Seven Levels of
Classification
1. Kingdom
2. Phylum
3. Class
4. Order
5. Family
6. Genus
7. Species
The Five Kingdoms
The broadest level of organization
Kingdoms
Monera
Archaebacteria
Protista
Eubacteria
Fungi
Plantae
Animalia
Monera
 Prokaryotes
– Cells lack a nucleus
– Absorbs its own
food
 Some
form chains or
mats
 Bacteria, blue-green
algae, and
spirochetes
– Over 10,000
known species
Monera
• Eubacteria and Archaebacteria
– A growing number of researchers now divide this
kingdom into 2 separate kingdoms
• Eubacteria
– “The true bacteria”
– Autotrophic and heterotrophic
– Can cause: strep throat, used to produce yogurt,
vitamins, etc.
• Archaebacteria
– Autotrophic and heterotrophic
– Live in: hot springs, on the ocean floor, salty water,
your intestines
Video #1- Eubacteria
E.coli
Video contributed by Eric
Knutsen
Protists

Its members are very
different from each other
– Can be autotrophic or
heterotrophic
– Most are unicellular
To view video
Click on
Paramecium
 protozoa
– some are multicellular
 Seaweed

Eukaryotic
– Its cells contain a nucleus
www.microscopy-uk.org.uk/mag/articles/param1.htm.
http://bio.rutgers.edu/~gb101/lab6_protists/r6a2param
Fungi

Multicellular
Eukaryotes




Mushrooms
Mold
Mildew
Unicellular
Eukaryotes

yeast
Plantae
 Multicellular eukaryotes
 Autotrophs
 Photosynthetic
 They make their own food
Mosses, ferns, woody and non-woody flowering plants
Animalia
• All are
multicellular
eukaryotes
• Heterotrophs
• They have
their own
means of
locomotion
Dog Classification
 Kingdom
– Animalia
 Phylum
– Groups of classes
 Chordata
 Class
– Groups of orders
 Mammalia
 Order
– Groups of families
 Carnivora
Dog Classification cont.
 Family
– Groups of species
 Canidae
 Genus
– Groups of closely related
species
 Canis
 Species
– Groups of related
organisms
 Familiaris
Interactive Quiz
Click on the correct answers.
1.There are
Four
Five
levels of classification.
Six
Seven
Eight
Interactive Quiz cont.
2.
is the broadest level of
classification.
Kingdom
Phylum
Class
Species
Interactive Quiz cont.
3. Scientists now separate the Monera
kingdom into to Archaebacteria and
Eubacteria.
True or False
Interactive Quiz cont.
4. Mold and Mildew are unicellular examples
of Fungi.
True or
False
Interactive Quiz cont.
5.
All organisms in the Animalia kingdom are
_________
eukaryotic organisms.
• multicellular
• unicellular
• photocellular
CORRECT!
There are 7 levels of Classification
Back
CORRECT!
Kingdom is the broadest level of organization.
Back
CORRECT!
Mushrooms, Mold and Mildew are examples of
multicellular organisms.
Back
CORRECT!
All organisms in the ANIMALIA kingdom are multicellular
eukaryotic organisms.
Back
www.justgive.org/Images/ways/sugarbear.jpg
CORRECT!
Eubacteria and Archaebacteria
A growing number of researchers now divide the MONERA kingdom into 2 separate
kingdoms
Back
Incorrect!
Try again
Hint
Incorrect!
Try again
Hint
Incorrect!
Try again
Hint
Incorrect!
Try again
Hint
Incorrect!
Try again
Hint
Incorrect!
Try again
Hint
Classification levels
Kingdom- the broadest of all levels
Phylum- groups of classes
Class- groups of orders
Order- groups of families
Family- groups of species
Genus- groups of closely related species
Species- groups of related organisms
Back
Classification levels
Kingdom- the broadest of all levels
Phylum- groups of classes
Class- groups of orders
Order- groups of families
Family- groups of species
Genus- groups of closely related species
Species- groups of related organisms
Back
Monera Kingdom



Eubacteria and Archaebacteria
 A growing number of researchers now divide this
kingdom into 2 separate kingdoms
Eubacteria
 “The true bacteria”
 Can cause: strep throat, used to produce yogurt,
vitamins, etc.
Archaebacteria
 Live in: hot springs, on the ocean floor, salty
water, your intestines
Back
FUNGI

Multicellular Eukaryotes (More than one cell)
 Mushrooms
 Mold
 Mildew

Unicellular Eukaryotes (One celled organisms)
 yeast
Back
Animalia Kingdom



All are multicellular eukaryotes
Heterotrophs
They have their own means of locomotion
Back
Congratulations!
www.personal.psu.edu/faculty/r/trl125/links.html
You are now an expert on the
Classification System.
THE END