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 a stratigraphical context objects closer to the surface are more recent in time relative to items deeper in the ground.
Read More » At the Mexico-Guatemala border, the sterile insect technique halts the northward march of medflies since 1982.During the Ebola epidemic of 2014, the IAEA reacted quickly to provide specialized diagnostic equipment to help combat the Ebola virus.With the immediate crisis over, the focus is now on longer term prevention. The lowest age defended on a scientific basis is in the 6 to 10 thousand year range.Evolutionism, of course, requires billions of years to support the plausibility of life's emergence and of subsequent Evolution from “amoeba” to man.These changes typically occur so slowly that they are barely detectable over the span of a human life, yet even at this instant, the Earth's surface is moving and changing.As these changes have occurred, organisms have evolved, and remnants of some have been preserved as fossils.Imagine an area of nearly 200 000 km2 that needs to be monitored on a daily basis – monitored for the presence of a destructive insect smaller than a fingernail.More than four decades ago the governments of Mexico, Guatemala and the United States, and later also Belize, agreed to work together to eradicate and contain the spread of the Mediterranean fruit fly through an effective area-wide integrated pest management technology involving the sterile insect technique.The Mayan calendar used 3114 BC as their reference.More recently is the radiocarbon date of 1950 AD or before present, BP.