Quote 43
Here and there savage dogs rushed upon him, but he bristled his neck-hair and snarled (for he was learning fast), and they let him go his way unmolested. (2.9)
The traits Buck learns in the wild, such as intimidation, were irrelevant in his old world.
Quote 44
Another lesson. So that was the way they did it, eh? Buck confidently selected a spot, and with much fuss and waste effort proceeded to dig a hole for himself. (2.11)
Buck’s learning from the other dogs establishes an initial sense of camaraderie.
Quote 45
To remedy this, he ate as fast as they; and, so greatly did hunger compel him, he was not above taking what did not belong to him. He watched and learned. (2.21)
Buck’s adaptation spreads to all aspects of existence, from pulling a sled to sleeping in the snow to simple tasks, such as eating.