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'pteridospermopsida' - used as a noun
extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies
Variations of 'pteridospermopsida'
Past Words of the day
Who Said that ?
I think computer viruses should count as life. I think it says something about human nature that the only form of life we have created so far is purely destructive. We've created life in our own image.
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- Stephen Hawking
Fact of the day
Trees that are near street lights do not shed their leaves as fast as a tree that is in the country.