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Why Classify?

Why Classify?. What is classification?. Organizing things based on their characteristics-placing them in groups Taxonomy – giving objects a name. Cavemen . . . Musicians . . . Scientists . . . YOU?????. What do we classify?. Aristotle. Back in the B.C. days

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Why Classify?

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  1. Why Classify?

  2. What is classification? • Organizing things based on their characteristics-placing them in groups • Taxonomy – giving objects a name

  3. Cavemen . . . Musicians . . . Scientists . . . YOU????? What do we classify?

  4. Aristotle • Back in the B.C. days • Classified things by how they moved • If they moved – Animal • If they didn’t move – Plant • If they were an animal, how did they move? • Walking • Swimming • Flying

  5. So what’s the problem? • Things that move alike may NOT be related • Things that don’t move alike may BE related • Some things don’t fit in any category • Some things can fit in several categories

  6. Then what do we do? • Agree on what to look at • Agree on what to call it • Change things if you find out more • Classification systems • Classification key ( or “dichotomous” key) • Binomial nomenclature (two names)

  7. Let’s do it!!!!

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