1. Discussion Questions Discussion Questions 9/16/14 Journal 1. Please explain how a hypothesis is different from a theory and give an example. 2. What do these terms have in common: survival of the fittest, natural selection, struggle for existence, adaptations

2. Reminders PAST DUE - your rough draft of your RESEARCH report is past due (don’t discuss your experiment at all in this report). It is background research only! PAST DUE - Ecology Exam Study Guide Review. PAST DUE - Science Journals Things to remember- all handouts are on our class website go there if you are missing one Power Points are also on our class website..with these reminder slides. When you make a graph…spread it out to cover the entire area- not just a little corner on the right side of your graph paper.

3. EcoRegion Project Presentations Part of your grade will be based on your presentation and your attention during your classmates’ presentations. Hand me your rubric when you come up to present.

4. The Geologic Time Scale Geologic Time Scale Demonstration Precambrian Paleozoic Mesozoic Cenozoic Are the four ERAs you need to know.

5. Evolution = Change over Time Lizard Activity Relay race 1 st person on the team comes up and draws the lizard as fast as they can. They flip the original lizard over and leave theirs face up. 2 nd person comes up once first person sits down and draws their lizard based on the first person’s drawing. 2 nd person flips first person’s lizard down and flips theirs up. 3 rd person comes up once second person sits down and they draw their lizard based on the second person’s drawing as fast at they can. They flip the second person’s lizard over and they leave their lizard face up.

6. Wednesday, 9-17-14 Life Has A History Working individually, go to the website listed. Choose level 2 (PreAP) and work through the activity It won’t let you advanced until you have read and clicked on everything. Don’t rush through…be sure to ready carefully and answer the questions as you move along. Life has a History

7. EXIT TICKET 1.How are a theory and a hypothesis different? 2.Describe the geologic time scale and reflect on the calculator tape demonstration. 3.Explain why we drew the lizards.

8. Oral Conclusion 1.Please give an example of a limiting factor 2.Describe one way humans are impacting the nitrogen cycle 3.Describe one way humans are impacting the carbon cycle 4.How are microorganisms such as bacteria beneficial to an ecosystem? Organism? 5.Give an example of a producer. A consumer> 6.Describe biological magnification. 7.Give an example of an abiotic factor. A biotic factor. 8.Describe an invasive species and give an example. 9.Why does only 10% of the energy move from trophic level to trophic level? 10.How is primary succession different from secondary succession?