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UNIT 4-1
Focus On:
Introduction Introduction toto
ClassificationClassification
History of Classification
The First Classification System
Naming Living Things
I. The History of Classification:
A.Classification is: ______________ ________________________________________________________
B.Classification is important to all fields of science because: ____________________________________________________________________________________
the grouping ofitems together by
similarcharacteristics.
Every branch of science hasmany different things thatcan’t all be grouped together.
4-1: Introduction to Classification
C. Biological classification systems: _______________________________________________________________________________________
Name and organize living things based on characteristics that are similar and observable.4 legs or less More than 4 legs
4-1: Introduction to Classification
II. The First Classification Systems:
A. In the fourth century BC, the Greek philosopher ______________proposed a system to classify livingthings. He did this by: __________ ________________________________________________________
Aristotle
groupinganimals by how they
moved, if they walk, swim, or fly.
4-1: Introduction to Classification
4-1: Aristotle & Plato
1)The Greek philosopher compared birds to bats by: ________________________________________________The fact that they had wings and could fly.
Help me!!!o o
L a t eT
!!
4-1: Introduction to Classification
2)Problems with this way of grouping living things were that it was: (1)________________________
(2)________________________
Not specific enough.
Did not include everything.
4-1: Introduction to Classification
III. Naming Living Things:
A.In the 18th century, a Swedish scientist;___________________ developed:_____________________________________________________________________
he was called a ___________
Carolus Linnaeusa simple two-
partnaming system using Latin
Taxonomist
Carl
as the basis for the name
Carl von Linne (Carolus Linnaeus)
4-1: Introduction to Classification
4-1: Carl (Carlous) Linnaeus:
III. Naming Living Things:
B. Binomial Nomenclature: ______ ____________________________________________________ ______________.
1) Genus:_____________________ _________________
2) Species:____________________
__________________
Systemdeveloped by
Linnaeusthat uses two parts to namean organism.First-part name in naming system.
Second-part name in naming system.
4-1: Introduction to Classification
C. Write the Genus and Species for the following:
Genus: species:
1. House cat: __________ _________
2. Wolf: __________ _________
3. Human: __________ _________
4. Mountain Lion_______ _________
Felis domesticus
Canis lupis
Homo sapien
Felis concolor
4-1: Introduction to Classification
Reviewing this Section:
$ Explain how you could use classification in other subject areas.$ Why was Aristotle’s system not perfect?
$ How did Aristotle classify animals?$ What was Carl Linnaeus’s contribution to classification?
$ Name one problem that existed with classification before Linnaeus.