下图示某孤岛上存在捕食关系的两种生物种群个体数量变化据图分析正确的是a.种群�为捕食者种群�为被捕食者 b.种群�的营养级比种群�营养级高 Template




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tomski下图示某孤岛上存在捕食关系的两种生物种群个体数量变化据图分析正确的是a.种群�为捕食者种群�为被捕食者 b.种群�的营养级比种群�营养级高 coloring