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BINOMIAL NOMENCLATURE

BINOMIAL NOMENCLATURE. The system of classifying and naming organisms that was developed by Carolus Linnaeus in the 1700’s that is still in use today. SCIENTIFIC NAMES. Every organism is given its own unique two-part name, which is called its scientific name. Bi= two Nomen= name

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BINOMIAL NOMENCLATURE

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  1. BINOMIAL NOMENCLATURE The system of classifying and naming organisms that was developed by Carolus Linnaeus in the 1700’s that is still in use today

  2. SCIENTIFIC NAMES • Every organism is given its own unique two-part name, which is called its scientific name. Bi= two Nomen= name Nomial= number Clature= classify “Two Number Name Classify” = Two-Part Classification Name

  3. GENUS & SPECIES • Scientific names are made up of two names, a GENUS name and a SPECIES name. “Pinus taeda”

  4. COMMON NAMES • This tree is known by three different English names, depending on where you live in the United States… Loblolly Pine Longstraw Pine Indian Pine

  5. Using common names can be very confusing because there are usually multiple (many) different names given to the same organism using different languages that are not known to everyone…

  6. SCIENTIFIC NAMES • Scientific names are unique to only one type of organism and use Latin so that no matter what country a scientist is from or what language they speak, they will understand each other… Pinus taeda (Genus species) *No other organism has this exact Latin name, it is unique

  7. A GENUS name is written first in a scientific name Organisms that belong to the same GENUS are similar, but not exactly alike All of these organisms belong to the same GENUS= Felis GENUS

  8. A SPECIES name is written second in a scientific name Organisms that belong to the same SPECIES are so similar that they can mate and have fertile offspring All of these organisms belong to the same SPECIES= domesticus SPECIES

  9. Genus groups are bigger than species groups, but organisms are less alike Species groups are smaller than genus groups, but the organisms are more alike GENUS vs SPECIES Same Genus Same Genus Different Species Same Species

  10. Genus = Felis Species = concolor Felis concolor “Cougar” Genus = Felis Species = pardalis Felis pardalis “Ocelot” Genus = Felis Species = domesticus Felis domesticus “House Cat” Same GENUS Different SPECIES

  11. Genus = Felis Species = domesticusFelis domesticus “House Cat” Genus = Felis Species = domesticus Felis domesticus “House Cat” Genus = Felis Species = domesticusFelis domesticus “House Cat” Same GENUS Same SPECIES

  12. SPECIES can MATE and have FERTILE offspring… + + = YES!! = NO!!

  13. MORE EXAMPLES GENUS= Canis SPECIES= familiaris “Dog”

  14. MORE EXAMPLES GENUS= Canis SPECIES= lupus “Wolf”

  15. SPECIES can MATE and have FERTILE offspring… + + = YES!! = NO!!

  16. LATIN NAME MEANINGS • Latin word parts are put together to create names • Names describe something about the organism • A grizzly bear has a “horrible” reputation GENUS= Ursus SPECIES= horribilis

  17. LATIN NAME MEANINGS GENUS= Ursus SPECIES= americanus GENUS= Ursus SPECIES= arctos “American Black Bear” “Arctic Polar Bear”

  18. RULES OF LATIN SCIENTIFIC NAMES • Names can describe a physical characteristic about the organism • Names can include the name of the place the organism lives in or where it was discovered • Names can include the name of the scientist that discovered the organism

  19. LATIN SCIENTIFIC NAME MEANINGS Viola missouriensis Discovered in Missouri Pheidole fullerae Ant discovered by a scientist named Fuller

  20. WRITING SCIENTIFIC NAMES • Genus names are capitalized • Species names are lowercase • Underline or italicize both names GENUS= Drosophila SPECIES= melanogaster “Fruit Fly”= Drosophila melanogaster

  21. EVEN YOU HAVE A SCIENTIFIC NAME!! GENUS= Homo SPECIES= sapiens “Humans” = Homo sapiens

  22. Felis concolor Felis pardalis Felis domesticus Canis lupus Canis familiaris Ursus horribilis Ursus arctos Ursus americanus Viola missouriensis Pheidole fullerae Drosophila melanogaster Homo sapiens EXAMPLES USED DURING PRESENTATION **ALL EXAMPLES FOLLOW THE PROPER RULES OF CREATING AND WRITING SCIENTIFIC NAMES**

  23. APPLY WHAT YOU LEARNED ABOUT SCIENTIFIC NAMES The following names describe three different types of North American Pocket Mice. Study the names and answer the questions at the end of your study sheet. *Use only these three names to answer each question!* Perognathus californicus Perognathus nelsoni Perognathus spinatus

  24. Perognathus californicusPerognathus nelsoniPerognathus spinatus • What is the GENUS name of this group? • How many SPECIES are there in this group? • What are the SPECIES names?

  25. Perognathus californicusPerognathus nelsoniPerognathus spinatus • Give an example of two of these organisms that CANNOT MATE and have fertile offspring. 5. Give an example of two of these organisms that CAN MATE and have fertile offspring.

  26. Perognathus californicusPerognathus nelsoniPerognathus spinatus • What can you INFER about the three types of mice from the SCIENTIFIC NAME that was chosen for them?

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