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Essential Question: What is classifying? VOCABULARY: Classification Dichotomous Key

Essential Question: What is classifying? VOCABULARY: Classification Dichotomous Key. Objectives: You will be able to explain why classification systems are important. You will be able to demonstrate your understanding with a dichotomous key. How many different types of music are there?

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Essential Question: What is classifying? VOCABULARY: Classification Dichotomous Key

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  1. Essential Question: What is classifying? VOCABULARY: Classification Dichotomous Key

  2. Objectives: • You will be able to explain why classification systems are important. • You will be able to demonstrate your understanding with a dichotomous key.

  3. How many different types of music are there? Rap, classic … Country, heavy metal … Rock, dance … Hip hop, children’s …

  4. Could you imagine shopping at a music store which did not separate their CD’s by type? Or artist But just left them in a pile!

  5. IMAGINE: Shopping at a shoe store where boys, girls, men, women’s and kids shoes were all mixed together? Would it work? Would you go back? How are shoe stores typically classified?

  6. Why do Scientists Classify? To make things easier To groups things

  7. Definition • Classification: • organization into groups or categories. • Categorization of a population by common characteristics which the population has or does not have. • Make sure characteristics are observations and not inferences !

  8. Classification System INSECTS

  9. Classification System Two Group System: Dichotomous Key INSECTS Those without wings Those with wings

  10. Two Group System: Dichotomous Key INSECTS Those without wings Those with wings

  11. Classification System Animals

  12. Classification System Animals Animals WITH 4 legs Animals NOT 4 legs

  13. Classification System Animals Animals NOT 4 legs Animals WITH 4 legs

  14. Dichotomous Key 2 Groups 2 Levels Animals Animals NOT with 4 legs Animals with 4 legs Has wings Has a Tail No wings No Tail

  15. Dichotomous Key 2 Groups 2 Levels Animals Animals with 2 legs Animals with 4 legs Has wings No wings Has a Tail No Tail

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