1. Warm Up
If I asked you to classify you and your classmates into 2 groups by a distinguishable characteristic, what would you suggest that characteristic to be? Now, look around at your classmates and list 2 more characteristics that you could use to categorize everyone into 2 or more groups.

2. Classification of Living Things
Diversity of Life

3. What is classification?
Classification is the grouping of things according to characteristics
The science of classifying organisms is known as taxonomy.

4. Early classification systems
Aristotle grouped animals according to the way they moved
John Ray was the first to use the term “species”

5. Binomial Nomenclature
Developed by Linnaeus
Two-name system
Each organism has a genus and a species name
First name (genus); second name (species)

6. What is a scientific name?
Combination of the genus and species name of an organism
Scientific names of organisms are always italicized or underlined: (Genus is capitalized; species name is lower-case)

7. Seven classification groups of living things
Kingdom
Phylum
Class
Order
Family
Genus
Species