The proportion of the avian distribution groups in bird community was changeable as a result of the variation of the habitat structure.

各种鸟类分布群在鸟类群落内的比例随栖息地结构的变化而改变。

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Disproving previous assumptions that older audiences would continue to utilize traditional services, U.S. online growth in 2009 for most categories was driven by older audiences, resulting in a more even usage distribution across age groups, particularly for services like social networking and online news.

FORBES: Old Media Must Deliver Digital Experiences Consumers Demand

The Drink Federation and the Institute of Grocery Distribution were among other groups which took part in the talks with Mr Paterson in Westminster.

BBC: UK

You also fed BPA to the other group of pregnant monkeys: what differences did you note between the distribution of BPA between the IV and oral groups?

FORBES: Leading Environmental Group Scientist Praises FDA's Ground-Breaking Research On BPA: A Tipping Point In The Controversy?