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Latest Evolution of insects Stories

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. During the late Carboniferous and early Permian periods the skies were littered with 28-inch dragonfly-like insects and other ancient species that were too big to whack with a fly swatter. The authors of...

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2011-07-19 12:20:00

German scientists have discovered new ancient relatives of the modern mayfly from the Lower Cretaceous of South America. The experts discovered adult winged specimens and preserved larvae to clarify the phylogenetic position of the insects. The insects were equipped with wing venation of a mayfly, breast and wing shape of a dragonfly, and legs of a praying mantis.  However, the larvae look more like freshwater shrimps.  The scientists said some of their characters clearly suggest...

2010-10-29 19:07:48

The giant dragonflies of ancient Earth with wingspans of up to 70 centimeters (28 inches) are generally attributed to higher oxygen atmospheric levels in the atmosphere in the past. New experiments in raising modern insects in various oxygen-enriched atmospheres have confirmed that dragonflies grow bigger with more oxygen, or hyperoxia. However, not all insects were larger when oxygen was higher in the past. For instance, the largest cockroaches ever are skittering around today. The question...


Word of the Day
bellycheer
  • Good cheer; viands.
  • To revel; to feast.
The word 'bellycheer' may come from 'belle cheer', "good cheer".
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