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　　據(jù)了解??，渦蟲是一種擁有強大再生能力的扁形動物??，其生命歷程已經(jīng)超過5.2億年??，是生物學(xué)研究中常用的動物實驗材料之一??。??渦蟲的組織修復(fù)能力十分驚人??，即使斷成兩截后??，兩邊仍可再生出新的肌肉、皮膚、腸道??，甚至完整的大腦??，而且這種再生可以無限地進行下去???！　〈??(ci)前?(qian)??，兩??(liang)種??(zhong)模??(mo)式??(shi)動??(dong)物??(wu)斑??(ban)馬??(ma)魚??(yu)和??(he)果??(guo)蠅??(ying)已?(yi)經(jīng)??(jing)在??(zai)中??(zhong)國??(guo)空??(kong)間??(jian)站??(zhan)參??(can)與??(yu)空??(kong)間??(jian)科??(ke)學(xué)??(xue)實??(shi)驗??(yan)??。??　　此??(ci)前??(qian)??，兩??(liang)種??(zhong)模??(mo)式??(shi)動??(dong)物??(wu)斑??(ban)馬?(ma)魚??(yu)和??(he)果??(guo)蠅??(ying)已??(yi)經(jīng)??(jing)在??(zai)中?(zhong)國??(guo)空??(kong)間??(jian)站??(zhan)參??(can)與?(yu)空??(kong)間??(jian)科??(ke)學(xué)??(xue)實??(shi)驗??(yan)??。?GRRLUJECRFqibao666888　　ci ??(ci)qian ?(qian)??，liang ??(liang)zhong ??(zhong)mo ??(mo)shi ??(shi)dong ??(dong)wu ??(wu)ban ??(ban)ma ??(ma)yu ??(yu)he ??(he)guo ??(guo)ying ??(ying)yi ?(yi)jing ??(jing)zai ??(zai)zhong ??(zhong)guo ??(guo)kong ??(kong)jian ??(jian)zhan ??(zhan)can ??(can)yu ??(yu)kong ??(kong)jian ??(jian)ke ??(ke)xue ??(xue)shi ??(shi)yan ??(yan)??。??　　ci ??(ci)qian ??(qian)??，liang ??(liang)zhong ??(zhong)mo ??(mo)shi ??(shi)dong ??(dong)wu ??(wu)ban ??(ban)ma ?(ma)yu ??(yu)he ??(he)guo ??(guo)ying ??(ying)yi ??(yi)jing ??(jing)zai ??(zai)zhong ?(zhong)guo ??(guo)kong ??(kong)jian ??(jian)zhan ??(zhan)can ??(can)yu ?(yu)kong ??(kong)jian ??(jian)ke ??(ke)xue ??(xue)shi ??(shi)yan ??(yan)??。?