Biological hypotheses include ecological changes brought about by the evolution of cooperation between insects and flowering plants or of bottom-feeding predators in the oceans.

生物学上的假设包括生态变化，这些变化是由昆虫和开花植物之间的共同进化，或海洋中以海底生物为食的捕食者的进化所带来的。

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There is evidence of major ecological and geological changes during this period.

有证据表明，这一时期发生了重大的生态和地质变化。

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In this paper evolution of ancient lake in Taiyuan basin and changes of ecological environment were studied by optical enhancement of remote sensing image, geoscience analysis and historical records.

本文采取遥感图像光学增强、地学分析和历史资料论证的方法，研究了太原断陷盆地古湖泊的演变与生态环境的变化。

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And perhaps even these become impossible to preserve due to the accelerating pace of man-made ecological changes.

FORBES: Forests and Climate Change: a Combustible Combination

Dr Jon Lovett, who led the work at York University, said ecological changes would predominantly influence pandas to decide where to live.

BBC: Climate may force pandas to move

Bennett has logged time with Reinhard in the mountains of Greece and Peru, and has traveled to the Galapagos Islands to help evolutionary theorist Frank Sulloway record ecological changes there.

FORBES: The Explorer