About: http://webisa.webdatacommons.org/437252203

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	At present, we do not know whether eyes arose once or many times, and, in fact, many features of eye evolution are still puzzling.
http://www.w3.org/ns/prov#wasQuotedFrom	rationalwiki.org