Answer:
The correct answer would D.life on earth has changed over time.
Fossil refers to the preserved impressions, remains, or trace of ancient life.
Examples may include shells, bones, exoskeleton, stone imprints et cetera.
It gives us the idea about the evolutionary relationships of different species.
It also tells us about the duration for which a particular species remain on earth.
Thus, it helps us in understanding that how life on earth has changed over time.
