(May 7, 2017 at 4:56 pm)alpha male Wrote:(May 6, 2017 at 1:36 pm)vorlon13 Wrote: even a poorly performing eye organ is better (from a survival aspect) than not having one at all
Not necessarily. People always talk about a photosensitive cell. By itself, it's no better than nothing at all.
If it gives information to the animal that other similar animals don't get wouldn't that be an advantage?