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Giant Insects Ruled The Sky Until Evolution Of Birds Kicked In
2012-06-05 04:02:22

Giant insects in ancient days use to be kings of the sky, until the evolution of birds about 150 million years ago. Scientists at the University of California, Santa Cruz found that despite rising oxygen levels, insects eventually lost their grip as the dominate species in the sky.


Word of the Day
ethnarch
  • The governor of a province or people.
The word 'ethnarch' comes from a Greek word meaning 'ruler of a tribe or nation'.
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