Question

how are fossils formed and state any one role of fossils in the study of organic evolution?

Answer 1

fossils form in earth crust in duration of 1000 or. more years

Answer 2

The fossils are the preserved remains of the living organisms used to survive year ago.

Explanation:

• The fossils are the hard skeletal remains like bones, shells, bark of trees which get buried under different layers of the compact soil strata.
• The fossils remains preserved in the rocks.
• The fossils are important for tracing the organic evolution in the living organisms.
• The first fossil of Cyanobacteria proved that these where the first photosynthetic organisms on earth these were the first organisms who used to produce the oxygen.
• The fossils have shown that DNA being a common genetic material for the primitive as well as the modern day organisms.

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