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It was retrded!
The land was extremely hot and arid. Plants were a lot like those you'd see in New Mexico are Arizona. Most of the dino's such as the Coelophysis were plant eaters.
As old as history itself, at least a few million years.
FEELS LIKE A MILLION...HOOAH KC FROM TOP. KS
well the ecosystem is like almost like earth.!!!!!!!!!
It is now known what North America look like 100 million years from now.
60 million years ago Canada was a mass of ice.
it does not have an ecosystem
it is not a ecosystem =]
nuthinq . a star ?
Three millennia (the plural of millennium) is 3000 years. Each millennium is 1000 years. (A millennium is not one million years, despite sounding like "million".)
There will be something new, probably. I don't really know