AIM: What is classifying? VOCABULARY: Classification Levels (tiers)

1. AIM: What is classifying? VOCABULARY: Classification Levels (tiers)

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

4. Question: 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

8. 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 !

9. Classification System INSECTS

10. Classification System Two Group System INSECTS Those without wings Those with wings

11. Two Group System INSECTS Those without wings Those with wings

12. Classification System Animals

13. Classification System Three Group System Animals With no legs Animals with 4 legs Animals with 2 legs

14. Classification System Three Group System Animals With no legs Animals with 4 legs Animals with 2 legs

15. Animals 3 groups 2 Levels Animals with 2 legs Animals with 4 legs With no legs wings No wings With Tail No Tail gills No gills

16. Animals 3 groups 2 Levels Animals with 2 legs Animals with 4 legs With no legs wings No wings With Tail No Tail gills No gills

17. Animals 3 groups 2 Levels Animals with 2 legs Animals with 4 legs With no legs wings No wings With Tail No Tail gills No gills

18. Animals 3 groups 2 Levels Animals with 2 legs Animals with 4 legs With no legs wings No wings With Tail No Tail gills No gills

19. 2 groups 2 Levels Insects have wings No wings Wings fold over body Antennae Wings don’t fold No antennae Classification System

20. 2 groups 2 Levels Insects have wings No wings Wings fold over body Antennae Wings don’t fold No antennae Classification System

21. 2 groups 2 Levels Insects have wings No wings Wings fold over body Antennae Wings don’t fold No antennae

22. !! HINT !! You want to title each groups or level with descriptive observations – not just examples. INSECTS Those without wings Those with wings

23. Class Activity WS1 WS2

24. Homework: INTERNET QUESTIONS WRITE A PARAGRAPH SUMMARIZING THE AIM USING THE VOCABULARY