1. Catalyst #1: September 8th 2014
A forest fire destroys an ecosystem. Which is more likely to become extinct: an organism with a varied diet OR an organism that with a specific diet?
An invasive species has what effect on an ecosystem’s biodiversity?
An unstable ecosystem has _________ biodiversity.

2. Agenda Catalyst (5 minutes) Ecology Beach Ball (5 minutes)
Biogeochemical Cycles Gallery Walk(20 minutes)
Biogeochemical Cycles Whiteboards (12 minutes minutes)
Exit ticket (3 minutes)
Homework: Unit 1 Study Guide
DBA #4 due 9/15
HP due 9/26
Edmodo Assignment

3. Announcements Unit 1 Study Guide due on Thursday
In class review on Wednesday
Unit 1 Exam on THURSDAY
DBA #3 due today
Edmodo assignment!

4. Carrying Capacity
Producer
Abiotic
How does energy flow in an energy pyramid?
What is an invasive species?
Which type of ecosystem is more stable: high or low biodiversity?
Example of a tertiary consumer

5. Gallery Walk Notes
Instead of powerpoint/notes, we are going to do a gallery walk to get our note information.
Posts around the room for each of your key points (You do not have to go order; each post is labeled.)
You will have a limited amount of time to visit every post; however, each post is NOT timed.
If there are more than four people at a post, MOVE.
Expectations: Volume/Movement
Consequences
When you are finished….

6. Trashketball!
Trashketball Rules
Whiteboard expectations

7. Question 1
A place where various chemicals are stored and from which they flow is called a _______________.

8. Name one way water is moved through the water cycle.
Question 2
Name one way water is moved through the water cycle.

9. Liquid water falling to Earth is called what?
Question 3
Liquid water falling to Earth is called what?

10. Name one way humans can disrupt the water cycle.
Question 4
Name one way humans can disrupt the water cycle.

11. Question 5
According to the diagram, what process follows evaporation?

12. What organisms are important to the nitrogen cycle?
Question 6
What organisms are important to the nitrogen cycle?

13. Decomposers return nitrogen to the ___________.
Question 7
Decomposers return nitrogen to the ___________.

14. Name one way the nitrogen cycle can be disrupted.
Question 8
Name one way the nitrogen cycle can be disrupted.

15. How is carbon dioxide released into the atmosphere?
Question 9
How is carbon dioxide released into the atmosphere?

16. What process removes carbon dioxide from the atmosphere?
Question 10
What process removes carbon dioxide from the atmosphere?

17. Give an example of a fossil fuel.
Question 11
Give an example of a fossil fuel.

18. Question 12

19. Exit Ticket
1. Name a human behavior that can disrupt the water cycle AND why.
2. Why is nitrogen important to organisms?
3. Jets releasing fuel is can disrupt which biogeochemical cycle?