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.