环节动物中的蚯蚓主要食用落叶等腐败物，并把这些腐败物分解为无机物．蚯蚓在生态系统中属于（）A．生产者B．消费者C．分解者D．以上都不是-生物

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• 生物圈养育着万物生灵，人和各种生物共同生活在这个大家庭里，它们各自承担着不同的角色．下面承担分解者角色的是（）①淡水中的衣藻②高山上的油松③土壤中的细菌④朽木上的蘑菇⑤树-生物
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• She can hardly write her own name, ______?A．can sheB．can't sheC．need sheD．needn't she-九年级英
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