About: http://webisa.webdatacommons.org/299520047

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	Feathers, hair and scales are physical barriers, while skin is a chemical barrier.
http://www.w3.org/ns/prov#wasQuotedFrom	studyblue.com