form is "neotenous", although "neotenic" is often used. In invertebrate biology, neoteny is most easily identified when sexually mature, completely viable juveniles or larvae are found. Specific individual traits that differ in descendant organisms, when compared to ancestors, are sometimes called neotenies. In evolution Neoteny plays a role in evolution, as a means by which, over generations, a species can undergo a significant physical change. In such cases, a species’ neotenous form b… (More on Neoteny)