What does buck learn after he is suddenly jerked from the heart of civilization and flung into the heart of things primordial?

After Buck is abruptly taken from his comfortable life as a domesticated dog and thrust into the wild, he learns about the harsh realities of survival and the primal instincts that lie within him. He discovers the importance of strength, adaptability, and the instinctual drive to assert his dominance in a pack hierarchy. This transformation leads him to embrace his ancestral roots and ultimately find a sense of belonging in the natural world. Buck's journey highlights the tension between civilization and the raw, untamed forces of nature.