1. Ecosystems and Change

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3. Activity 1: Ecosystems and Change Get Started  What changes have you seen in the environment as you’ve grown up?  What do you think caused those changes?  What do you want to know about ecological change and its causes?

4. Activity 1: Ecosystems and Change  Ecology is the study of how organisms interact with each other and the environment.

5. Activity 1: Ecosystems and Change KWL Chart: Ecological Change Know…Want to know…Learned…

6. Activity 1: Ecosystems and Change Introduction  What is an ecosystem?  What type of changes could affect an ecosystem? In what ways?  Is ecological change good or bad – or neither? Read the introduction and discuss the following as a class:

7. Activity 1: Ecosystems and Change Introduction  A community of various organisms interacting with each other within a particular physical environment is known as an ecosystem.  An ecosystem is sustainable if it can support its diversity and ecological processes through time.

8. Activity 1: Ecosystems and Change  How does change affect ecosystems? Challenge

9. Activity 1: Ecosystems and Change Procedure  For step 1, decide who in your group will read each case study: ◦ The Crab Jubilee ◦ The March of the Toads ◦ The Bleaching of the Reefs ◦ The Yellowstone Fires of 1988  For step 2, work with a same-case-study partner, as assigned.

10. Activity 1: Ecosystems and Change

11. Procedure  With your case-study partner, complete steps 4-6.  With your original group, complete steps 7-8.  On your own, complete step 9.

12. Activity 1: Ecosystems and Change Follow Up  Share your predictions from step 9 with the class.  What types of changes can affect an ecosystem?

13. Activity 1: Ecosystems and Change  How does change affect ecosystems? Revisit the Challenge

14. Activity 1: Ecosystems and Change  ecology  ecosystem  sustainability  sustainable Key Vocabulary