Instructions

Class Period 1:

1) Ask students to review what they learned during the last activity about where and how quickly Argentine ant populations are spreading within Haleakalā National Park. Have students from the team that worked on that topic provide a quick synopsis.

---

2) Using Teacher Background “The Spread of Argentine Ants in Haleakalā National Park and Recent Efforts at Control” (pp. 40-43), lead a class discussion on recent efforts to control the spread of Argentine ants in Haleakalā National Park. Use the acetates to illustrate key points.

---

3) Assign the Student Page “Designing a Control Strategy that Works: Questions from the Discussion” as homework.

Class Period 2:

1) With the entire class, discuss students’ determinations about the effectiveness of the ant control experiment. Review their calculations and talk about factors that might make the results questionable.

---

2) Ask students to discuss the idea that current control efforts may be simply buying time during which alternative methods of eradication may be developed and tested.

---

3) Review the entire unit, discussing student questions and ideas.