AP PSYCHOLOGY

Detailed explanation-1: -Answer and Explanation: The correct answer is e. instinct.

Detailed explanation-2: -Salmon are born in freshwater rivers, spend most of their lives in the ocean and then return to the place they were born to lay their own eggs. Salmon swimming upstream is both a form of migration and a way to ensure that their young survive long enough to hatch and grow into adults.

Detailed explanation-3: -Salmon swim upstream to lay their eggs. In fact, salmon return to the same location they were born. They lay their eggs in the gravel banks of rivers and streams, known as tributaries. Juvenile salmon then swim upstream to return to the Great Lakes.

Detailed explanation-4: -These fish migrate upstream for one reason: to reproduce. The fish who participate in this upstream migration are known for being Anadromous. In Greek: “ana-” means “up” and “-dromos” means “running, ” translating Anadromous to “up-running.”