食物链和食物网(shiwulian he shiwuwang)在生态系统中,各种生物之间由于食物关系而形成的一种联系。如鹰吃蛇、蛇吃蛙、蛙吃蝗虫、蝗虫吃植物,这就是一条包含5个环节的食物链。 一个生态系统中的各种生物,存在着一环扣一环的食物营养联系,形成了食物链或食物网。我国民间的谚语:“大鱼吃小鱼、小鱼吃虾米、虾米...
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答案 41.汉人煮箦han ren you shi wuwu ren she sun汉人/有适吴,吴人/设笋wen shi he wuyǔ yuezhú yegui zhu问/是何物,语曰:“竹也!”归/煮qi chuáng zéer bu shunai wei qi. qi yue其床箦③/而不熟,乃/谓其妻曰:wu ren i uqi wo ru ci“吴人/斩辘,欺我/如此!”注释①汉:汉地,...
问讯东桥竹,将军有报书。倒衣还命驾,高枕乃吾庐。花妥莺捎蝶,溪喧獭趁鱼。重来休沐地,真作野人居。
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da yǔ san大雨伞xiǎo mǎ yi he xiao mi feng zheng zai zhǎo shi wu tu ran xia qi小蚂蚁和小蜜蜂正在找食物,突然下起le da yu ta men bei da yu jiao de yun tou zhuan xiang zhe shi chuan了大雨,他们被大雨浇得晕头转向。这时,传lai yi ge sheng yin xiao ma yi xiao mi feng来一个...
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