1. Roseate Spoonbill

2. What is it? A “wading” bird Lives in Florida Feeds on: – Invertebrates – Amphibians – Fish

4. Feeding http://vimeo.com/19732047

5. Population Biology Population: – Individuals of the same species in an area Birth Rate: – The number of individuals that are born in a year Death Rate: – The number of individuals that die in a year

6. Spoonbill Scientist Florida Everglades 5 Spoonbills Birth Rate = 2 Death Rate = 1 How many birds in 5 yrs? Hypothesis?

8. X-axis

9. x-axis y-axis

10. x-axis y-axis Data point

11. Year 1 10 Spoonbills

12. Population Growth of Spoonbills You are a scientist in the Florida Everglades Number of birds = 5 spoonbills Birth Rate = 2 Death Rate = 1 How many birds after 5 years?

13. Year 2 20 Spoonbills

14. Population Growth of Spoonbills You are a scientist in the Florida Everglades Number of birds = 5 spoonbills Birth Rate = 2 Death Rate = 1 How many birds after 5 years?

15. Year 3 40 Spoonbills

17. Year 4 80 Spoonbills

18. Population Growth of Spoonbills You are a scientist in the Florida Everglades Number of birds = 5 spoonbills Birth Rate = 2 Death Rate = 1 How many birds after 5 years?

19. Year 5 160 Spoonbills

20. Population Growth of Spoonbills You are a scientist in the Florida Everglades Number of birds = 5 spoonbills Birth Rate = 2 Death Rate = 1 How many birds after 5 years?

22. Growth Curve EXPONENTIAL GROWTH

23. Year 6 320 Spoonbills

24. Year 7 640 Spoonbills

25. Year 20 5,242,880 Spoonbills

26. Question What would prevent exponential growth?

27. http://www.mathcs.org/java/programs/PopDy namics/index.html