The age of the fossil must be determined so it can be compared to other fossil species from the same time period.
Understanding the ages of related fossil species helps scientists piece together the evolutionary history of a group of organisms.
In broad outline, this is the picture painted by the “Clovis First” theory, named after the distinctive and highly efficient spearheads fashioned by these Ice Age hunters that were initially discovered near Clovis, New Mexico.
The Clovis people spread quickly throughout the New World, populating most of North and South America in less than 1500 years.
As these changes have occurred, organisms have evolved, and remnants of some have been preserved as fossils.For generations of archaeologists the understanding of how the Americas first came to be inhabited was that ancient Siberians crossed on foot from Asia to Alaska over a land bridge that spanned the Bering Sea.This 1000-mile-wide land route was passable because sea levels during the ice ages were hundreds of feet lower than they are today.When more finds came to light with what also appeared to be rickets, it was considered far too much of a coincidence and for lack of any other explanation they became relegated to a sub-human category.The French palaeontologist Marcellin Boule, concluded walked stooped forward which fitted in with the then new current thinking of Darwins evolutionary theory of the origin of man (these new assumptions were made post Darwinism 1859).