The debate will consist of opening statements and rebuttals. Take notes during the presentations to prepare rebuttals.

Format for the debate next time

Groups designate a recorder of questions for preparation of rebuttals. The recorder will take notes needed for the rebuttal statement.

  1. Opening statements: The two sides will present opening statements, 10 min each. Following each statement, members of other groups can ask clarifying questions.

  2. Adjourn to groups to prepare challenges (cross-examination).

  3. Present challenges

  4. Prepare rebuttals: Adjourn to prepare rebuttals to challenges.

  5. Present rebuttals and follow-up discussion: Presentation can be done by several members of the group. Follow-up questions and discussion on the merits of both sides of the case.

  6. Final minutes in group to organize rebuttal statements into main document to turn in next class.

For next time

A. Put your rebuttals with statements on Sakai. Grading will be determined by participation in all aspects of the debate, including questions and discussion.

B. We’ll look at biodiversity next. In preparation, read this paper: Staver, A.C., J.O. Abraham, G.P. Hempson, A.T. Karp, J.T. Faith. 2021. The past, present, and future of herbivore impacts on savanna vegetation. Journal of Ecology.

  1. How would seasonal rainfall variation affect:
    1. Grazers versus browsers?
    2. Large versus small herbivores?
  2. Why might a reliable resource base result in larger consumer population densities?
  3. How and why might habitat range affect population density?
  4. How might changes in megacarnivores over the last 5 My have influenced trends in Figure 3?
  5. How might body size influence drought risks for consumers?