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Investigating Behavior of Krill
http://pal.lternet.edu/sites/default/files/files/Investigating%20Krill%20Behaviors%20FINAL%203%3A4%3A14.pdf

Beth Simmons, Palmer Station (Antarctica) LTER

In this lab activity, students use brine shrimp as a proxy for krill to study how environmental factors impact behavioral responses of krill in the unique environment of Antarctica.

This activity takes about two 50-minute lab periods.

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Climate Literacy
About Teaching Climate Literacy

Individual organisms survive within specific ranges of temperature, precipitation, humidity, and sunlight. Organisms exposed to climate conditions outside their normal range must adapt or migrate, or they will perish.
About Teaching Principle 3
Other materials addressing 3a

Benchmarks for Science Literacy
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The world contains a wide diversity of physical conditions, which creates a wide variety of environments: freshwater, marine, forest, desert, grassland, mountain, and others. In any particular environment, the growth and survival of organisms depend on the physical conditions
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Notes From Our Reviewers The CLEAN collection is hand-picked and rigorously reviewed for scientific accuracy and classroom effectiveness. Read what our review team had to say about this resource below or learn more about how CLEAN reviews teaching materials
Teaching Tips | Science | Pedagogy | Technical Details

Teaching Tips

  • Most items found in typical classroom, but may need to order some supplies and brine shrimp in advance.
  • Background information for teachers is included. Additional background information for students provided by the educator might be helpful.
  • Instructions to students in both the lab activity and extended challenge might need additional clarification from educator, such as the purpose of lids for cups, diagram/photo of lab setups, labeling of containers, clear learning objectives, explanation of the term proxy and why brine shrimp are a good substitute for krill.

About the Science

  • This is a lab activity in which students use brine shrimp as a substitute for krill to investigate how changes in environmental conditions (light, water temperature, water movement/currents, and magnetism) affect brine shrimp behavior.
  • Gravity and magnetism are lumped together, perhaps implying that they are either synonymous or have the same effect on shrimp/krill behavior.
  • Passed initial science review - expert science review pending.

About the Pedagogy

  • Activity is a fun, hands-on investigation for students.
  • Well thought-out lab with explicit LTER connection. Uses common supplies and provides range of suggestions for alternative methods of delivery. Some background information, activity sheets, and follow-on inquiries provided; educator must provide assessments.

Technical Details/Ease of Use

  • Educators can use materials list to order and acquire common lab materials.

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