<http://webisa.webdatacommons.org/prov/16476743>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/300794605> .
<http://webisa.webdatacommons.org/prov/88304968>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/300794605> .
<http://webisa.webdatacommons.org/300794605>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<uncommondescent.com> .
<http://webisa.webdatacommons.org/300794605>	<http://www.w3.org/ns/prov#value>	"I???ve read an optimistic estimate by paleontologists that as much as 10% of species may have left fossils (although the portion varies between groups due to e.g. habitat, behavior, size and structure)." .
<http://webisa.webdatacommons.org/300794605>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .