1. Objective
SWBAT describe the levels of biological classification and use binomial nomenclature to describe species.

2. Aristotle and Linnaeus
Aristotle ( BC) classified all organisms as plants or animals.
Carolus Linnaeus ( ) created a classification system with multiple levels.

3. Levels of Classification

4. Levels of Classification
Kingdom
Phylum
Class
Order
Family
Genus
Species

6. Binomial Nomenclature
Binomial: Two names
Nomenclature: A system of names
Binomial nomenclature: A system of describing organisms with two names – genus name and species name.
Homo sapiens = humans
Canis lupus = wolf
Panthera leo = lion

7. Two Different Species
Lion
Wolf
Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Carnivora
Family
Felidae
Canidae
Genus
Panthera
Canis
Species
leo
lupus
What is the smallest classification level these two species have in common?
What is the scientific name for the lion?
What is the scientific name for the wolf?

8. Another one…
Lion
Wolf
Dog
Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Carnivora
Family
Felidae
Canidae
Genus
Panthera
Canis
Species
leo
lupus
familiaris
Which species is more closely related to the wolf – the lion or the dog?
What is the smallest classification group shared by the wolf and the dog?
What is the scientific name for the dog?