Roughly 250 million years ago, in the worst series of mass extinction in Earth's history, almost all species of life simply vanished.

大约2.5亿年前，在地球历史上最严重的一系列大灭绝中，几乎所有的生命物种都消失了。

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Scientists estimate that there could be up to 100 million different species of life on the planet, of which only 2 million have been identified.

据科学家们估计，世界上大约有不小于10亿种不同种类的生物，仅有2亿种为人们所认识。

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Flamingos, however, are the only species that actually makes life in the midst of all that death.

然而，火烈鸟是唯一真正能在那样的死亡中途生存的物种。

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They are home to millions of species of sea life that depend on coral reefs for their survival.

VOA: special.2010.08.10

The zoo which is Wales' largest marine aquarium is on the shores of the Menai Strait and has over 50 species of native marine life.

BBC: NEWS | UK | Wales | North West Wales | Mirror view for lobster babies

Tradescant the Elder, especially, devoted much of his life to bringing new species of plants and trees to England, from all over the known world, and to cultivating new varieties from existing species.

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The focus upon human mortality rates associated with climate change serves to remind us that the far vaster constellation of life species upon which we depend is far more vulnerable than we are.

FORBES: 5 Million Deaths From Climate Change Pedicted By 2020