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In this activity, learners investigate the different salinity levels of oceans, rivers and estuaries.

In this data collection and analysis activity, learners evaluate fish physiology and ecology using vision research data from Dr.

In this activity, learners experience firsthand how marine animals' adaptive coloration camouflages them from prey.

In this activity, learners explore the concept of density-driven currents (thermohaline circulation) and how these currents are affected by climate change.