Question

how Fossil act as an evidence for Organic evolution

Answer 1

Fossils are the remains of plants, animals or other organisms which are in petrified form.These are formed when plants or animals burried in mud and soil. The soft tissues decay easily by leaving the hard bones and shells.Over a period of time sediment builds over these bones and shells, then hardens to form rock. Fossils provide direct evidence for the history of evolution.Fossils help scientists to correlate the organisms from the past and present.Calculating the age of fossils gives idea about the occurrance of organism in a particular period. 

Answer 2

★Fossils are the remains of plants, animals or other organisms which are in petrified form.These are formed when plants or animals burried in mud and soil. The soft tissues decay easily by leaving the hard bones and shells.Over a period of time sediment builds over these bones and shells, then hardens to form rock. Fossils provide direct evidence for the history of evolution.Fossils help scientists to correlate the organisms from the past and present.Calculating the age of fossils gives idea about the occurrance of organism in a particular period. 

##Fossils help in tracing the organic evolution in following ways:-

• Fossils represent modes of preservation of ancient species.

• Fossils help in establishing evolutionary traits among organisms and their ancestors.

•Fossils help in establishing the time period in which organisms lived.

•Fossils provide good evidence of the structure and lifestyle of animals (and even plants) from the past.

•They provide a record of the remains of long-extinct species.

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