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Activity 1

Activity 1. Ecosystems and Change.

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Activity 1

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  1. Activity 1 Ecosystems and Change

  2. LIMITED LICENSE TO MODIFY. These PowerPoint® slides may be modified only by teachers currently teaching the Science and Global Issues SEPUP course to customize the unit to match their students’ learning levels or to insert additional teaching aides. Modified slides may be used only by the modifying teacher in his or her classroom, or shared with other teachers of Science and Global Issues within the teacher’s school district, with these same restrictions. Modified slides may not be taken out of the classroom or distributed to any non-student person or organization. Except for use with students in the classroom, modified slides may not be published in printed or electronic form, including posting on the Internet. Only text may be modified: photographs and illustrations on the slides may not be modified in any way except to change their size. DISCLAIMER OF WARRANTY. THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (“University”) MAKE NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. University will not be liable for any costs, damages, fees or other liability, nor for any direct, indirect, special, incidental or consequential damages (including lost profits) with respect to any claims by the purchaser or user of Science and Global Issues or any third party on account of or arising from the use or modifications to the slides. Client acknowledges and accepts that University services are provided on an as-is basis.

  3. 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. Ecology is the study of how organisms interact with each other and the environment.

  5. KWL Chart: Ecological Change

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

  7. 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. Challenge • How does change affect ecosystems?

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

  11. Share your predictions from step 9 with the class. • What types of changes can affect an ecosystem?

  12. Revisit the Challenge • How does change affect ecosystems?

  13. Key Vocabulary • ecology • ecosystem • sustainability • sustainable

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