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Activity 15

Activity 15. Changes Due to Population Growth.

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Activity 15

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  1. Activity 15 Changes Due to Population Growth

  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 Except for use with students in the classroom, modified slides may not be published in printed or electronic form, including posting on the Internet.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. Have you eaten fish or some other kind of seafood in the last week? • Where do you think that fish or other seafood came from?

  4. Do you think we could have fish farms to grow fish instead of catching wild fish? • Would this help to prevent overfishing? • Do you think fish farming will be helpful, negative, or mixed?

  5. Read the introduction. • Aquaculture is the growing of fish and other aquatic species for human consumption.

  6. Challenge • How can the environmental harm from salmon farming be minimized?

  7. If at any point in the investigation you roll a 5 or 6 and your farmed population is not 1,400 or greater, roll again until you get a 1, 2, 3, or 4.

  8. What kind of events affected your systems? • How did the events affect the wild and farmed populations?

  9. What are the benefits and trade-offs of the fish farm shown in the video? • How does this compare to the salmon farm in the activity?

  10. Do you think the results of fish farming will be helpful, negative, or mixed?

  11. Analysis 4 • What are the benefits and trade-offs involved with aquaculture? Discuss at least two aquaculture systems.

  12. Revisit the Challenge • How can the environmental harm from salmon farming be minimized?

  13. Key Vocabulary • aquaculture • density-dependent factors • density-independent factors • population • population growth rate

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