Extinction Report
Introduction
Earth probably began about 4.5 billion years ago. A history of this life on Earth is recorded in fossil remains and traces of past life. It is a record of evolution for both life and the planet. Life and the planet have co-evolved, with life causing changes to the planet which in turn drive changes in life.
The Fossil Record
A history of these changes is recorded in the layers or 'strata' of rock laid …
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…botanical province, which flourished right up to the end of the Cretaceous Period. Western North America was separated from the rest of the continent throughout the Cretaceous by a body of water known as the Great Interior Seaway. The Aquilapollenites plant community occurred along the western margin of this seaway, the same location as some of the richest dinosaur finds in the world. These deposits are found from New Mexico through Wyoming, Montana, and Alb
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