The preserved remains of the ancient living organisms living on the earth at some time or the impressions left by them in the rocks which are found safe in the earth's surfaces or layers of rocks are called fossil (fauna + ashram = stone). The fossil provides direct evidence of organic growth. Its study is called fossil science or paleontology. The inspection of different types of fossil shows that different types of animals have occurred in different periods on Earth. The oldest fossil deposits contain only the remains of the simplest organisms, but in innovative deposits, the remains of progressively more complex organisms are found.
As we study the ancient to new times, fossils seem to be very similar to living organisms. Organisms with many intermediate traits suggest that organisms with simple structures have evolved from simple organisms. Most of the fossil is not archival but almost complete series of fossils of horse, camel, elephant, man, etc. have been unearthed from which solid evidence of organic growth is obtained.
Fossil is called fossil in English. The word originates from the Latin word "Fossilus", which means "digger." The word fossil refers to the bio-remains of geological ages of the past which are found in the sedimentary rocks of the earth's crust. These fossils show that they are of biological origin and have biological evidence in themselves.
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