Question

which method is now be extensively used for tracing evolutionary relationship​

Answer 1

Answer:

We use living species to trace evolutionary relationships. But organisms which once lived and do not exist anymore also have a story to tell about evolution. They can be used for tracing the evolutionary relationship between species.

Explanation:

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Answer 2

Answer:

We use living species to trace evolutionary relationships. But organisms which once lived and do not exist anymore also have a story to tell about evolution. They can be used for tracing the evolutionary relationship between species.