Question

what are fossils what do they tell us about the procession of evolution​

Answer 1

Fossils:-

These are the parts or belongings of animals and plants which were lived thousands of years ago but now exists in the form of rocks.

Answer 2

Fossils are impressions or actual remains of hard parts of extinct organisms preserved in different strata of sedimentary rocks. Fossils are organic relics of past life forms. These are direct proofs of evolution. Study of fossils has revealed that organisms have gradually evolved into more complex forms.