If an ecosystem is disturbed, it becomes unbalanced and can not return to the stable of equal equilibrium, the most probable thing is that the species that live there unbalance their way of life. If the imbalance is not in a serious state, they are likely to adapt to the situation and change their habits to survive, unfortunately if the imbalance is imminent will come the time when species reach extinction.
Um there is no question to answer... Please update it and ill answer :D
Based on the excerpt the best answer for this would be:
That the character was feeling afraid of his captor because it is unknown to him what they will do to him thus having lack of trust. Though, when one of them had given him a meal he started to gain the trust and pity of them., changing his perspective of them possibly.
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