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萤火虫的幼虫主要捕食淡水螺、蜗牛等,大多数成虫以花蜜或花粉为食,在仅有的5～15天的寿命中,每晚“亮灯”两三个小时,为繁衍竭尽全力。(1)萤火虫身体和附肢分节,发育过程中会蜕去体表的 外骨骼,属于 节肢动物。(2)萤火虫的发育过程与家蚕相似,属于 ...