About: http://webisa.webdatacommons.org/421686809

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	An oak tree's niche is to produce carbohydrates and other organic substances, which are used as food for other organisms in the ecosystem.
http://www.w3.org/ns/prov#wasQuotedFrom	wikibooks.org