Question

how are evolution and classification interlinked

Answer 1

Evolution and classification are complimentary to each other.
Classification forms the base for evolutionary studies.
Classification groups organisms on the basis of similarities and differences.
Evolution traces out the cause for these similarities and differences

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Answer 2

the classification depends on the characteristics and body structure and as time passes. the body structure becomes more Complex so as new the evolution new the body design and characteristics and so the new classification