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Classification
Classify objects according to a dichotomous
key
Identify similarities and differences among
living organisms
Vocabulary
Classification – grouping things according
to similar characteristics
Characteristics – (Traits) internal or
external structures or features
Dichotomous Key – classifying things into
two groups at a time
Multicellular – made up of more than one
cell
Unicellular – made up of only one cell
What is classification?
Classification is the grouping of things
according to similar__________________.
Characteristics or traits
We do this every day.
How are items in your science
room classified?
7 Groups
Kingdom—least similar to each other
Phylum
Class
Order
Family
Genus
Species—most similar to each other
King
Phillip
Came
Over
From
Great
Spain
If two organisms have very few
characteristics in common, they are
most likely to be in the same species or
kingdom? Why?
Same kingdom because organisms of the
same species are so similar they can
reproduce to produce offspring and those
in the same kingdom can not.
Scientific Names
First part is the genus they belong to.
Second part is the species they belong to.
A Wolf: Canis lupus
– What genus group does a wolf belong to?
___________
Canis
– What species group does the wolf belong to?
lupus
___________
Scientific Names
What genus group does a dog belong to?
Canis
____________
What species group does the dog belong to?
familiaris
___________
What genus group does a cat belong to?
Felis
____________
What species group does the cat belong to?
catus
___________
Dichotomous Keys
Classify things
Statements or questions that keep
breaking things up into groups.
Classify according to structure not function or color
The Five Kingdoms-Moneran
Moneran
Nucleus
– Unicellular without a _________.
– Examples: Helpful Bacteria & Harmful Bacteria
– Reproduce by splitting in two___________.
Asexual
The Five Kingdoms-Moneran

E coli bacteria
B) Lymes disease bacteria
C) Anthrax bacteria
The Five Kingdoms-Protista
nucleus
Unicellular with a ____________.
asexual
Most reproduce by splitting in two______.
Amoeba, Paramecium, Euglena
The Five Kingdoms-Protista
Amoeba
Paramecium
Euglena
The Five Kingdoms-Fungi
Unicellular or multicellular
Does not make its own food
Heterotroph: ___________________
Breakdowns dead material
Decomposer:____________________
Lives off another organism (host) causing it harm
Parasite:_______________________
Most reproduce by spores
E. Examples are yeast, mushrooms, bread
molds, and lichens
The Five Kingdoms-Fungi
The Five Kingdoms-Plantae
Multicellular
Autotroph (produces own food by photosynthesis)
Cells contain chloroplasts, and have a cell
walls
Get energy from the sun and take in
nutrients from their surroundings
Most reproduce from seeds; some
reproduce from other special parts
– Moss, Ferns, Flowers, Trees
The Five Kingdoms-Plantae
The Five Kingdoms-Animalia
Mulitcellular
Heterotroph (can not produce their own food)
Organ systems
Specialized tissues: ______________
Sexual reproduction
Ex: Sponges, worms, insects,
amphibians, reptiles, birds, mammals
The Five Kingdoms-Animalia