How does Buck’s story reflect the concept of Darwinism?

Buck's journey in "The Call of the Wild" serves as a clear representation of Darwinism, particularly in the aspects of natural selection, survival instincts, and adaptation. As Buck transitions from a domesticated pet to a wild creature, he is forced to rely on his instinctual behaviors to survive in the harsh environment of the Yukon.

Throughout the narrative, Buck faces numerous challenges that require him to adapt to the brutal realities of life as a sled dog. He learns to read the signs of his environment, navigate hierarchy within the pack, and showcase his physical prowess to assert his dominance. This illustrates the concept of survival of the fittest, where those who adapt best to their circumstances are more likely to survive and thrive. Buck's transformation underscores the pivotal themes of evolution and the primal instincts that lie dormant within all creatures, revealing the raw, untamed essence of nature.

In this context, the other options do not capture the essence of Darwinism as effectively as the correct choice does. The focus on social structures does not encompass the individual struggle and natural instincts central to survival in a wild environment. While personal redemption and moral choices are integral in some narratives, they do not align with the raw evolutionary themes present in Buck's journey. Similarly, while