Question

why fossil consider important in study of evolution explain two ways by which age of the fossils can be estimated

Answer 1

******************************************************************************************
Fossils are, in short, remains of the past. They help us see or identify the consequent changes in the bodies or structures of organisms. They help us notice or study evolution or variations better.

Age of fossils can be estimated by:-

1. Nearness to the earths surface
&
2. Ratio of their isotopes
******************************************************************************************

Hope this helps...!!

Kindly mark as brainliest answer...!!!!

Answer 2

fossil is considered important in study of evolution because it acts as an connecting link between 2 species. for example archeaoptryx is a fossil which provides the evidence that birds evolved from reptiles thus acting as a connecting link.
2 ways to determine the age of a fossil are:
carbon dating method 
relative method in which fossil at upper layer of soil are relatively younger and newer than those deep within the earth.