About: http://webisa.webdatacommons.org/319300165

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	But during that time there was a very important period for him when he was starting to really develop his theories of natural selection, where he saw the variation of the types of animals...
http://www.w3.org/ns/prov#wasQuotedFrom	pbs.org