Mention three important features of fossils which help in the study of evolution. -Biology

Mention three important features of fossils which help in the study of evolution. -Biology
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Three important features of fossils which help in the study of evolution are (i)Fossils represents mode of preservation of ancient species. (ii) Fossils help in establishing evolutionary relationship between organisms and their ancestors. (iii) Fossils help in establishing the time period in which organisms lived.
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Assertion :- Fossils are always reamins of hard parts of life -forms found only in rocks. Reason :- Rocks are formed due to sediments.

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Fossils are :

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Fossils of Pithecanthropus have been recovered frm :

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Fossils are dated by `:`

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