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来源：雅诚德英语网
It is one of the factors controlling the size of competing populations, and in extreme cases it may lead to the extinction of one of the competing species.
它是控制竞争种群规模的因素之一，在极端情况下，它可能导致一个竞争物种的灭绝。
It is one of the factors controlling the size of competing populations, and in extreme cases it may lead to the extinction of one of the competing species.
它是控制竞争种群规模的因素之一，在极端情况下，它可能导致一个竞争物种的灭绝。