This easterly decline in species diversity is well demonstrated by birds and coral fish.

鸟类和珊瑚鱼很好地证明了东部物种多样性的退化。

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There is usually a good deal of turnover in species composition, even in a mature community.

即使在一个成熟的群落中，物种组成通常也有很大的变化。

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Predators are an essential factor in maintaining communities that are rich and diverse in species.

捕食者是维持群落物种丰富多样的一个重要因素。

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In a separate project, scientists identified seven new species of bamboo coral in deep waters near the Hawaiian Islands.

VOA: special.2010.08.10

It only works within species. So, in another experiment they put a rabbit in the other room and the chimpanzee would slap the lever repeatedly to make the rabbit scream in pain and jump.

这种结果只出现在同种动物上，在另一个实验里,他们在另一个房间放一只兔子,结果黑猩猩不停地拍杠杆,让兔子痛得上跳下窜，大声尖叫。

耶鲁公开课 - 心理学导论课程节选

And in fact, Skinner explicitly made the analogy from the natural selection of species to the natural selection of behavior.

实际上，斯金纳也确实明确地,对物种的自然选择,同行为的自然选择进行过类比。

耶鲁公开课 - 心理学导论课程节选

No one argues that they are anything other than evolutionarily driven in species other than man.

ECONOMIST: The proper study of mankind

In species whose males do not fight for access to females, males are generally the same size as, or smaller than, females.

ECONOMIST: Masculine traits

In particular, their guts are rich in species of Clostridia.

ECONOMIST: The human microbiome