"I 'm not sure what you mean . Your quotes from dictionaries certainly give no indication of any blurring . I 'll give you another definition acceptable to biologists.Natural selection is the process by which organisms well adapted to their environment survive to produce offspring while those more poorly adapted may not . In this way , particular combinations of genes are propagated differentially ."
"And how does this compare to your ideas on artificial selection ?"
"Your quotes from dictionaries certainly give no indication of any blurring"
"how does this compare to your ideas on artificial selection ?"