Amoebae consist of just one more or less homogeneous cell .
阿米巴只含有一种大体同质的细胞。
Amoebae and bacteria are single-celled organisms .
变形虫和细菌是单细胞微生物。
Profound researches carried out in european and north american countries have demonstrated that testate amoebae are excellent indicators for paleoenvironmental changes .
