1. Classification

2. Taxonomy- the science of describing, naming, and classifying organisms
Classification- putting things into orderly groups based on similar characteristics
Taxonomy- the science of describing, naming, and classifying organisms

3. Why do we classify things?

4. Back in the day…
Aristotle grouped everything into simple groups such as animals or plants.

5. Along came Carl!
Carl Linnaeus came up with a naming system: binomial nomenclature
bi = two
nomen = name
Organisms were given a scientific name that included genus and species.

6. Rules to writing scientific names
Homo sapiens
An organism’s genus is always written first; the organism’s species is always written second
The genus is Capitalized; the species is written in lower case
Scientific names of organisms are always italicized or underlined, examples:
Homo sapiens
Homo sapiens

7. System of classification has 8 levels
Dear
King
Phillip
Came
Over
For
Good
Salsa!

8. Two organisms that have the same genus are closely related.
Ursus arctos
is a brown bear
Canis latrans
is a coyote
Canis lupus arctos
is an arctic wolf
Ursus americanus
is a black bear

9. Cladogram- shows the relationship between different organisms

10. Dichotomous key- used to identify organisms

11. Brain dump time!