Natural Selection: Salt Concentration on Brine Shrimp

• Describe the mechanisms of genetic variation and the three modes of natural selection.
• Explain and give examples of important biotic and abiotic factors that influence evolution by natural selection.
• Conduct counts of hatched brine shrimp.
• Quantify the effects of salinity on hatching viability of brine shrimp.
• Relate salinity tolerance of brine shrimp to natural selection.

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