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This Icefish Blood Adaptations: Antifreeze Proteins activity also includes:
Ever wonder how fish survive in freezing cold water—especially Antarctic waters? Some fish have an adaptation that lowers the freezing point of their life fluids. Learners model these adaptations in two lab explorations. The first monitors the freezing point of water with different additives and the other examines the reaction of these solutions to ice crystals.
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NGSS:
Designed
Concepts
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Instructional Ideas
- Have half of the class complete the first lab and the other half the second; have groups present their findings to each other
Classroom Considerations
- Requires a specific set of materials and time for set up
- Expects that pupils have knowledge of natural selection and the function of proteins on genes
Pros
- Models complicated scientific principles with easy-to-access materials
- Provides an answer key with sample student responses
Cons
- None