这就产生了生物群系的概念——一种植物群和动物群共存的结合体。

This resulted in the "biome," a combination of coexisting flora and fauna.

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深海通常有稀疏的动物群，以微小的蠕虫和甲壳类动物为主，更大的动物分布更少。

The deep sea typically has a sparse fauna dominated by tiny worms and crustaceans, with an even sparser distribution of larger animals.

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除非烟囱始终位于更适宜的暖水喷口附近，否则化学合成只能占喷口动物群的一小部分。

Unless smokers are consistently located near more hospitable warm-water vents, chemosynthesis can account for only a fraction of the vent faunas.

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We have modern patterns of climate, vegetation and fauna, so the climate conditions were somewhat similar to today.

那时有现在的气候模式,植被和动物群,因此气候条件在某种程度上和现在差不多

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选