生命学
One of the most characteristic species in a biotic community. 在生物群落中最有特征的别类之一
For biotic communities parallel terms: biocoenose and biocoenon may be used. 生物群落也可用相似的术语；生物群落和生物群丛。
Insects fed on a bland (nontoxic) diet would show their real biotic potential. 昆虫取食了味纯和的（无毒的）饲料可能表现出它们真正的生物潜能。
Conclusion: We should become familiar with the properties of anti - biotics and perform t... 结论:应当熟悉抗生素特性,做好细菌耐药性监测工作,慎重选用,控制耐药菌株增长。
Being one of two or more of the most characteristic species in a biotic community. 等优势的在一生物群落中有两个或更多最有特征的类别之一的
Selenium is one of the most important metalloid element existing in biotic environment. 硒是生物环境中存在的一种重要的类金属元素。
n.抗生素
n.长寿法
