您要查找的是不是：
- ecological groups of species 生态种组
- Both single species and whole groups of species last for very unequal periods. 单独的物种以及整个的物种群存续的时期极不相等。
- Then, as that species diversified to occupy new ecological niches with the assistance of themutation in question, it would come to be found in a group of species that hada common ancestor . 然后，正由于物种在这个尚未有定论的突变的帮助下，分化适应各种新的生态环境，就会出现在一组物种里存在过一个共同祖先的情况。
- A third group of species with diagnostic value are the constant companions. 具有鉴别价值的第三组植物是恒有伴生种。
- Mangrove refers to an ecological group of evergreen plants which belong to several families, but which have similar physiological characteristics and structural adaptations. 红树林是一种常绿植物的生态群落，当中包括多个不同科(生物分类等级)的植物，但均拥有类似的生理特徵及结构，以适应沿岸生境。
- Earthworm activities and their functions in ecosystem are determined by various factors such as ecological groups of earthworms, population size, vegetation, parent materials of soil, climate, time scale, and history of soil utilization. 蚯蚓外来种入侵与生态系统的关系以及蚯蚓对全球变化的响应和影响是两个值得关注的问题。
- Evolutionists have recently learned that groups of species also have what might be called a half-life. 进化论者最近发现生物属种也具有一种可以称为半死亡期的时期。
- The whole groups of species sometimes falsely appear to have been abruptly developed. 整个的物种群有时会假象地表现为突然发生的。
- In small square analysis the coverage is estimated for each species or group of species present. 在小样方分析中，为出现的每个种或种组测定盖度。
- Each group of species modifies the habitat making it more favourable for other species. 每一群物种会改变环境,让栖息地更适合其他的物种。
- How in the universe did these three groups of species (one ant, three butterflies, and about a dozen birds) ever wind up in this peculiar codependency? 在天地万物之中，这三组物种（一只蚂蚁、三只蝴蝶、十几只鸟）是如何捆扎成这种特殊的相互依赖关系的呢？
- The group of barbaric soldiers killed many people. 那群野蛮的士兵杀了很多人。
- When groups of species has a single common ancestor (which does not necessarily need to be extant) then it is known as monophyletic. 当许多物种有一个同样的祖先时，（并不需要多广泛）这就是我们所说的由同一物种演化。
- A group of boys dashed out of the classroom. 一群男孩子从教室里冲出来。
- I come upon a group of children play in the street. 我遇到一群孩子在街上玩耍。
- He goes about with a group of nice boys. 他经常和一群好孩子在一起玩。
- Rioting broke out between rival groups of fans. 双方球迷之间发生了骚乱。
- A drifting soup of microscopic algae, creatures and bacteria, they are not even one group of species but bridge entire taxonomic kingdoms. 它们是由细微的藻类、生物和细菌组成的漂流汤，甚至算不上一组物种，但是却连接起了整个分类王国。
- He looked around the small group of mourners. 他环顾一下那一小群的送葬者。
- The group of destroyers damaged the bus. 那群破坏者毁坏了这辆公共汽车。
