Its forbidding climate and wild seas prevented the migration and development of land animals such as the arctic regions know 和人们已熟知的北极区域一样，它那令人难以亲近的气候和狂野的海浪使得陆地动物无法迁移至此和繁衍。
2.
The profile of microbial community structures in different deep sea sediments was evaluated and the interaction between microorganisms and environment was analyzed by culture - independent molecular phylogenetic methods . psychrophilic and psychro - tolerant bacteria were cultured and used for screening the cold - active enzymes 此外，本文还对采集自太平洋的深海沉积物和南极、北极区域的样品进行了低温微生物的分离培养及低温酶的筛选与性质分析。
