Q. 15.0( 3 Votes )
How are evolutionary relations between organisms traced?
The evolutionary relationship can be traced by observing the following things:-
(i) Homologous organs:- homologous organs are the one which have same structure performing different functions. It shows the same ancestral history.
(ii) Analogous organs:- organs which have different structures performing the same function. It shows convergent evolution
(iii) Fossils:- fossils are dead remnants of plants & animals living on earth far back. Fossils provide us with a way to peep into the window of history and to earn a lot about them. Fossils play a major role in tracing evolutionary relationships.
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“Evolution and classification or organisms are interlinked”. Give reasons to justify this statement.Xam idea - Science