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Classification

Classification. Naming and Dichotomous Keys (Chapter 18.1). What is the name of this animal?. Common Names: Scientific Name: Why are scientific names useful?. How can you choose a name?. Based on its physical appearance Based on its role in the ecosystem To honor a scientist Example:

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Classification

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  1. Classification Naming and Dichotomous Keys (Chapter 18.1)

  2. What is the name of this animal? • Common Names: • Scientific Name: Why are scientific names useful?

  3. How can you choose a name? • Based on its physical appearance • Based on its role in the ecosystem • To honor a scientist • Example: • Delphinapterus leucas

  4. Another example... • Felis domesticus X

  5. Binomial Nomenclature • Two parts to every name • Genus and species (sometimes sub-species too) • Genus name is capitalized, species is not • BOTH are part of the “species name” or “scientific name” • Written underlined or in italics • Homo sapiens sapiens • Mola mola • Strongylocentrotus purpuratus

  6. How would you name this alien? • Some latin roots to help you...

  7. Journey to Shape Island What does Bistoma octankyloplast look like?

  8. How can you identify new organisms? • Dichotomous key • Uses questions with only two answers to help you find the species name What kind of tree is this? See page 511 in your text

  9. Classifying cars... An example

  10. Create a dichotomous key for these cars... • What is the first way you would separate them? • What next?

  11. Create your own “alien” dichotomous key • Work with your partner; hand in one answer sheet • Each alien has a number on the back, these are their “names” • Draw a dichotomous key for the aliens based on their physical characteristics • Test your key with another group • Answer the following questions: • How did you create your key? Describe what you did. • Was your key successful? Explain what made it work well or what needs to be improved. • What is the most important part of a good dichotomous key?

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