Understanding Life Classification & Taxonomy | Explore the Diversity of Organisms

1. Classification of Life Chapter 15

2. Classification • Taxonomy- science of classifying living organisms

3. Aristotle • Greek philosopher • Divided life into two parts:

4. Carolus Linnaeus (1750’s) • Binomial Nomenclature – two word system • Two names • Genus – category containing similar species. • species • (scientific name)

6. Man Dog Grasshopper Kingdom Animalia Animalia Animalia Phylum Chordata Chordata Arthropoda Class Mammalia Mammalia Insecta Order Primates Carnivora Orthoptera Family Hominidae Canidae Locustidae Genus Homo Canis Schistocerca Species sapiens familiaris americana

7. Dichotomous Keys • Used to identify and name species

8. Phylogeny • - evolutionary history of a species • - anatomy • - biochemistry • - six kingdoms • - geologic time scale • - 4 billion years of life

9. Six Kingdoms of Life notes

10. 3 Domains of Life

11. Eubacteria • - prokaryotes • - no nucleus or organelles • - unicellular • - often heterotrophs • - common bacteria • - strong capsule • - blue-green algae

12. Archaebacteria

14. Protist

15. Fungus

16. Plants

17. Animals