About: http://webisa.webdatacommons.org/128606650

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	Reefs have existed in one form or another for over half a billion years, but they were originally built by algae, clams and other organisms -- before today's corals came on the scene.
http://www.w3.org/ns/prov#wasQuotedFrom	carlzimmer.com