Why do scientists use comparisons between fossils and existing species to classify
organisms?

Scientist use the evidence drawn from geology, fossils, and comparing body structure to form the basis for biological classification systems and the theory of evolution. Similarities among organisms lead scientists to relate organisms. Fossils found in sedimentary rock can be compared to one another and to living organisms to compare similarities and differences.

micro/nanoscale topography surface exhibits many prominent properties and is extensively employed in biomedical device, microfluidic device and energy device fabrication. additionally, the clinical applications of biomaterials can be largely expanded with of nanostructured surfaces.

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