1. Classification of Living Organisms

2. 1.8 million species have been identified and given names. 2/3 of these animals are insects

3. Taxonomy The branch of biology concerned with the classification of organisms and the relationships between them.

4. Binomial Nomenclature Current classifying system It gives each species a two part name

5. How to name using Binomial Nomenclature Genus is the first part of the name Species is the second part of name Ex: acer rubrum acer = genus rubrum = species Names must be italicized or underlined seperately.

6. Binomial nomenclature shows relationships between organisms through their anatomy, genetics, and evolutionary ancestry.

7. Bear Relationship Example Black bear Grizzly bear Brown bear Polar bear Panda bears Do you think any of these bears are closely Related, if so which ones?

8. Bear Relationship Example ursus americanus ursus horribilis ursus arctos ursus maritimus Ailuropoda melanoleuca

9. The first four bears belong to the same genus so they are closely related. What about the panda bear?

10. ursus americanus ursus horribilis ursus arctos ursus maritimus Ailuropoda melanoleuca All of these bears belong to the same family ursidae. Therefore, the panda bear is a distant relative.

11. Levels of Classification (Taxa) Kingdom Phylum Class Order Family Genus species

12. Which level of the classification system is more specific? General?

13. Complete Examples Classify these organisms Dandelion Housefly human