Fossils tell us when organisms lived, as well as provide evidence for the progression and evolution of life on earth over millions of years. Fossils are the preserved remains or traces of animals, plants, and other organisms from the past. Fossils range in age from 10, to 3. The observation that certain fossils were associated with certain rock strata led 19th century geologists to recognize a geological timescale.
How Do Scientists Determine the Age of Dinosaur Bones?
Relative dating — Science Learning Hub
Earth sciences , the fields of study concerned with the solid Earth , its waters, and the air that envelops it. Included are the geologic, hydrologic, and atmospheric sciences. Earth sciences are the fields of study concerned with the solid Earth , its waters , and the air that envelops it. Earth scientists observe, describe, and classify all features of Earth to generate hypotheses with which to explain their presence and their development.
How to Determine the Age of a Fossil
It includes the study of fossils to classify organisms and study interactions with each other and their environments their paleoecology. Paleontology lies on the border between biology and geology , but differs from archaeology in that it excludes the study of anatomically modern humans. It now uses techniques drawn from a wide range of sciences, including biochemistry , mathematics , and engineering.