对有机体维持生命、延续后代有重要意义的需要是 （ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29334' and id < 2388513 and id<>'2388513' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29334' and id > 2388513 and id<>'2388513' order by id asc limit 5