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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	Earthworms occur on all continents except Antarctica, and they play essential roles in almost every type of ecosystem worldwide, says Mac Callaham, CFDS research ecologist who is the principal organizer of the symposium.
http://www.w3.org/ns/prov#wasQuotedFrom	eurekalert.org