animals

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animals

  1. 1. Classification of Animals Chapter 1
  2. 2. Classification <ul><li>The process of grouping things based on their similarities. </li></ul><ul><li>Biologists use classification to organize living things into groups so that the organisms are easier to study . </li></ul>
  3. 3. Aristotle <ul><li>First classification system </li></ul><ul><li>Three major Classes </li></ul><ul><ul><li>Fly </li></ul></ul><ul><ul><li>Swim </li></ul></ul><ul><ul><li>Walk, Crawl, or Run </li></ul></ul>
  4. 4. Linnaeus- Binomial Nomenclature <ul><li>Each organism is given a two-part name </li></ul><ul><li>The first part of an organism’s scientific name is its genus. A genus is a classification grouping that contains similar, closely related organisms. </li></ul><ul><li>The second part of an organism’s scientific name is its species name. A species is a group of similar organisms that can mate and produce fertile offspring in nature. </li></ul>
  5. 5. 7 Levels of Classification <ul><li>Kingdom- broadest </li></ul><ul><li>Phylum </li></ul><ul><li>Class </li></ul><ul><li>Order </li></ul><ul><li>Family </li></ul><ul><li>Genus </li></ul><ul><li>Species- Most specific </li></ul>
  6. 6. Evolution <ul><li>The process by which species gradually change over time. </li></ul><ul><li>Species with similar evolutionary histories are classified more closely together. </li></ul>

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