2. Taxonomy

3. What is taxonomy? Taxonomy is the branch of biology concerned with the grouping and naming of organisms Biologists who study this are called taxonomists

4. How did it start? People wanted to organize their world so they began grouping, or classifying everything they saw.

5. Things that swim Things that fly Things that crawl Things that walk on four legs Things that chew their food Things that swallow food whole Things that are toxic

6. Why classify? To help us organize all of the millions of species we discover...

7. To give every species a name based on a standard method so scientists from different countries can talk about the same animal without confusion

8. Who is Carolus Linnaeus? Carolus Linnaeus was a Swedish botanist Developed a 7-level (taxa) classification system based on similarities between organisms

9. The 8 Taxons Kingdom Phylum Class Order Family Genus Species King Phillip Called Oprah For Good Spices Domain Dear

10. How does it work? There are 6 broad kingdoms Every living thing that we know of fits into one of the six kingdoms Each level gets more specific as fewer organisms fit into any one group

14. Scientific name Genus-species name given to all organisms Canis familiaris is the scientific name for a domestic dog. Canis is the genus name familiaris is the species name This system uses a binomial nomenclature

15. Binomial Nomenclature Bi means two Nomen means name A binomial nomenclature is a classification system using two names to identify an organism

16. Genus… A genus consists of a group of closely related species Other animals in the Canis group include wolves and coyotes The genus name is always Capitalized

17. Species... A species consists of animals that can mate and produce fertile offspring Only domestic dogs are known as lupus. The species name is always lowercase

18. Which organism are most closely related?

20. Cytochrome C Analysis Scientists use this protein, and the differences in each organism to compare how closely related they are.

21. Which organism is most closely related to the horse?

22. Which organism is most closely related to the tuna?

23. Quick Review What are the seven taxa or levels? Who designed the system? What taxa are organisms named with?