Reread this excerpt from The Call of the Wild. It was no task for him to learn to fight with cut and slash and the quick wolf snap. In this manner had fought forgotten ancestors. They quickened the old life within him, and the old tricks which they had stamped into the heredity of the breed were his tricks. They came to him without effort or discovery, as though they had been his always. And when, on the still cold nights, he pointed his nose at a star and howled long and wolflike, it was his ancestors, dead and dust, pointing nose at star and howling down through the centuries and through him.

What is the meaning of this excerpt?

Buck considers wild dogs his family, and they visit his campsite.
As Buck lives in the wild, he summons his natural instincts for survival.
As Buck becomes accustomed to trail life, he howls contentedly.
Buck is learning how to fight and howl from the dogs on his team.

Hurry i am on the semester test which theme is evident in this excerpt from robert frost's "mending wall"? but at spring mending-time we find them there. i let my neighbor know beyond the hill; and on a day we meet to walk the line and set the wall between us once again. we keep the wall between us as we go. to each the boulders that have fallen to each. and some are loaves and some so nearly balls we have to use a spell to make them balance: "stay where you are until our backs are turned! " we wear our fingers rough with handling them. oh, just another kind of out-door game, one on a side. it comes to little more: there where it is we do not need the wall: he is all pine and i am apple orchard. my apple trees will never get across and eat the cones under his pines, i tell him. he only says, “good fences make good neighbors." spring is the mischief in me, and i wonder if i could put a notion in his head: "why do they make good neighbors? isn't it where there are cows? but here there are no cows. before i built a wall i'd ask to know what i was walling in or walling out, and to whom i was like to give offence. . " a. the human desire for material gain b. the influence of financial constraints c. the positive effects of friendship d. the uncertain nature of human relations e. the futility of human yearning