Classification

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Classification

  1. 1. Classifying organisms Classification means putting things into groups according to similarities Kingdom: largest group
  2. 2. There are five kingdoms:1. Bacteria kingdom (Monera or Prokaryota kingdom)2. Protist kingdom3. Fungi kingdom4. Plant kingdom5. Animal kingdom
  3. 3. Each kingdom isdivided into smaller groups Panthera pardus
  4. 4.  Species – organisms that look alike and successfully interbreed Genus – A group of similar species which that have similar features and are closely related Family – A group of similar genera Order – A group of similar families Class – A group of similar orders Phylum – A group of similar classes Kingdom – A group of similar phyla
  5. 5. Carolus Linnaeus invented a system to name organisms in 1735 was a Swedish scientist
  6. 6. Each name consists of: TWO parts:  the first part of the name is the genus  the second is the species this method of naming organisms is called binomial nomenclature the names are written in:  Latin or  have Latin endings
  7. 7. Examples of scientific names: human being : Homo sapiens genus species housefly: Musca domestica genus species
  8. 8. Binomial Nomenclature - Rules1. First letter of first word (genus) is always capitalised2. First letter of second word (species) is not capitalised3. Both words are written in italicis or both words are underlined Homo sapiens Homo sapiensDO NOT underline space between words!!!
  9. 9. Question:Which one of these is the closest relativeof Felis concolor?  Acer rubrum  Contopus pertinax  Felis tigris  Ficus carica
  10. 10. Question:Which one of these is the closest relativeof Felis concolor?  Acer rubrum  Contopus pertinax  Felis tigris  Ficus carica
  11. 11. This is what the following Felis tigrishave in common:  Class  Family  Genus  Species Felis leo Felis domestica
  12. 12. This is what the following Felis tigrishave in common:  Class  Family  Genus  Species Felis leo Felis domestica
  13. 13. The importance of writing scientific names:Common names vary from:  region to region  language to languageProblem with this is: it is hard to know what people are talking about.
  14. 14. The importance of writing scientific names: This is a reindeer. This is a caribou.Caribou & reindeerare the same thing.
  15. 15. The importance of writingscientific names:This is a Rangifer tarandus. Yes, I know. We refer to the same thing!!
  16. 16. The importance of writing scientific names:1. Every species can be unambiguously identified by two names.2. The same name can be used all over the world, in all languages, avoiding difficulties of translation.
  17. 17. Question: MAY, 2012Comment on the biological significance of eachof the following statements.Classification systems are used to give scientificnames. (4)
  18. 18. Question: SEP, 2012Give ONE advantage of giving scientific names toliving organisms. (2)The use of scientific names eliminates confusionbetween nationalities that may have differentcommon names for organisms by assigning them auniversal name that acts as a code. Scientists fromone nation can converse with scientists fromanother about a specific organism with the aid ofthe scientific name, avoiding confusion that mayarise from differing common names.
  19. 19. THE END

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