The fossils helps to examine the mineralized bones, footprints, or organisms trapped in amber in order to determine common ancestry.
What are fossils?
They are the remains or traces of ancient life, which have got preserved by natural phenomenon. It can be tiny sea shells to spectacular skeletons, tracks, imprints, and trails can also become fossilized like worm burrows or dinosaur footprints.
By examining the traces and remains of life one can learn a lot about the animals and plants that lived millions of years ago and their ancestry. The study of the history of life on the planet as based on fossils is known as paleontology.
Thus, the correct answer is fossils.
Find out more information about fossils here:
https://brainly.com/question/2257012
