Independent evolution of similar traits in unrelated lineages under similar selective pressures. Examples: camera eye (vertebrate, cephalopod); echolocation (bat, dolphin); catalytic triad (chymotrypsin, subtilisin).
Independent evolution of similar traits in unrelated lineages under similar selective pressures. Examples: camera eye (vertebrate, cephalopod); echolocation (bat, dolphin); catalytic triad (chymotrypsin, subtilisin).