生活在一个生物群中的两个种群ab的数量变化如图所示下列判断正确的是a.a种群与b种群为捕食关系a种群依赖于b种群b.a种群与b种群为 Template




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tomski生活在一个生物群中的两个种群ab的数量变化如图所示下列判断正确的是a.a种群与b种群为捕食关系a种群依赖于b种群b.a种群与b种群为 coloring