2. What’s an adaptation? A structure or behavior that helps an organism survive in its environment.

3. Duck’s webbed feet Monkey’s opposable thumb Snake’s hinged jaw Fish swim in schools Dogs chase away strangers Birds fly south for winter You shiver when cold Wolf grows thick coat in winter Cats’ fur stands on end when threatened STRUCTURAL ADAPTATION BEHAVIORAL ADAPTATION PHYSIOLOGICAL ADAPTATION PARTCHOICE AUTOMATIC p 21

4. Adaptations Can you tell the difference between the 3 types? Structural, Behavioral, Physiological

5. Example: fish swim in schools (protection)

6. Example: bird calls (attract mates, defense)

7. Example: squirrels bury nuts (resource for winter)

8. Which type of adaptation? Structural - Behavioral - Physiological swimming in schools calls or howls or cries burying food for winter

9. AdaptationDefinitionExample Structural Behavioral Physiological - action done on purpose to help with survival - by choice squirrels bury nuts (resource for winter) p 23

10. QUILLS on a porcupine (defense)

11. prehensile tail on a spider monkey (for climbing)

12. thick fur on an arctic fox (for warmth)

13. QUILLSTAIL FUR Which type of adaptation? Behavioral - Structural - Physiological

14. AdaptationDefinitionExample Structural Behavioral Physiological - physical feature that helps an organism survive - body part - action done on purpose to help with survival - by choice prehensile tail on a spider monkey (for climbing) squirrels bury nuts (resource for winter) p 23

15. Example: shedding winter coat (stay cool in hot weather)

16. Example: sweating (stay cool)

17. Example: adrenaline is pumped into the bloodstream when you get scared or surprised (heart speeds up – you’re ready to run)

18. normal pupilpupil in low light Example: your pupils automatically dilate (get bigger) in dark places, to let in more light

19. Which type of adaptation? Behavioral - Structural - Physiological shedding fur in summer sweating to cool you adrenaline for speedy escape pupils change size to match the light

20. AdaptationDefinitionExample Structural Behavioral Physiological - physical feature that helps an organism survive - body part - action done on purpose to help with survival - by choice - involuntary action or change - cell activity - automatic prehensile tail on a spider monkey (for climbing) squirrels bury nuts (resource for winter) sweating to keep you cool p 23