1. © 2012 Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Chapter 6 The Classification of Agricultural Organisms

2. © 2012 Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Definition of Terms Taxonomy: Study of grouping organisms Binomial nomenclature: Scientific classification system –Genus: First name –Species: Second name

3. © 2012 Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Scientific Classification Kingdom Phyla Class Order Family Genus Species

4. © 2012 Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Kingdoms Animalia Plantae Monera Protista Fungi

5. © 2012 Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Phyla Categories of kingdoms Many divided into subphyla Grouped by broad characteristics Agricultural animals –Phylum Chordata –Subphylum Vertebrata

6. © 2012 Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Classes Subphylum Vertebrata –Amphibia –Reptilia –Mammalia Plant classes –Magnoliopsida –Liliopsida

7. © 2012 Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Orders Characteristics begin to narrow Class Mammalia –Primates: Humans –Artiodactyla: Cattle, goats, sheep Plant classes –Liliopsida: 17 orders –Magnoliopsida: 60 orders

8. © 2012 Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Families Many in each order and suborder Suborder Ruminantia –Cervidae: Deer, elk, moose –Antilopinae: Antelopes –Tragulidae: Certain goats –Giraffidae: Giraffes –Bovidae: Cattle, buffaloes, sheep

9. © 2012 Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Genuses and Species Cattle in family Bovidae –Genus Bos –European cattle: Species Bos taurus Wheat –Genus Triticum –Bread wheat: Species Triticum aestivum

10. © 2012 Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Classification by Breeds and Varieties Breeds –Characteristics that breed true –Probably common ancestors –Purebreds: Ancestors of one breed Varieties –Developed for conditions –Based on producer/consumer needs

11. © 2012 Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Classification According to Use Agricultural animals –Cattle: Beef or dairy –Chickens: Layers or broilers Crops –Row or cover –Feed or human

12. © 2012 Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Summary Organisms grouped to better study and communicate about them New organisms constantly found Many ways to organize agricultural organisms All are in population of living things