ecosystem 六级GMAT专八

We all have an interest in maintaining the integrity of the ecosystem.

维持生态系统的完整是我们共同的利益。

Myriapod animals were probably one of the invertebrate animal groups that first colonized the terrestrial ecosystem during Early Paleozoic.

摘要多足可能是最早人侵陆地环境的无脊椎之一。

Ferns were the first terricolous vascular plants, and still comprise an important part of primary productivity of ecosystems.

蕨类植是最早登陆的维管植，然是生态系统初级生产力的重要组成部分。

No one knows how a sharp decrease in pteropod numbers will affect other parts of the marine ecosystem.

目前没有人知道翼足类数量剧减将如何影响其他的海洋生态系。

Ardeidae bird is one of important species belonging to wet land ecosystem, and regarded as indicator for environmental assessment.

鹭科鸟类是湿地生态系统中重要的生种类之一,也是环境质量评价的一类指示。

Submerged macrophytes is key community in shallow lake ecosystem.It plays important role in water environmental quality and aquicolous ecosystem structure.

沉水植是浅水湖泊生态系统的关键种群，对水环境质量及水生生态系统结构有重要影响。

Patches mosaic is the basic pr operty of community which makes the structure and function of ecosystem prolonge d maintaining.

群落斑块镶嵌结构是群落的基本属性，使群落的结构和功能得以长期维持等论点。

There are highly sensitive and delicately balanced ecosystems in the forest.

森林里有高度敏感、灵敏平衡的各种生态系统。

Benthos The organisms that live on the bottom sediments of freshwater and marine ecosystems. They include plants and algae (phytobenthos) that grow below low tide mark.

底栖生（海底生）：在淡水或海洋生态系统底部生活的生体。包括一些水底的植和藻类。

The researcher selects students’ discourse as a tiny cut to dialyze its cultural back, namely the student’s culture, to exposit the true appearance of school cultural ecosystem.

研究者选取了学生话语这一微观层面来力图透视其背后所折射的文化蕴意，即学生文化，从而揭示学校文化生态的实然状态。