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Latest Catherine Badgley Stories

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2010-05-06 08:02:58

Travel from the tropics to the poles, and you'll notice that the diversity of mammals declines with distance from the equator.


Word of the Day
ecotone
  • A transitional zone between two communities containing the characteristic species of each.
The word 'ecotone' comes 'eco-' plus a Greek root meaning 'tension'.