About: http://webisa.webdatacommons.org/94380839

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	There is the thought that the first vertebrates were fish and other sea creatures in that the Cambrian layer, the lowest, consists almost entirely of sea creatures, and we don???t see land animals until quite a bit higher.
http://www.w3.org/ns/prov#wasQuotedFrom	ibiblio.org