@prefix n9j: <http://data.loterre.fr/ark:/67375/N9J> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

n9j: a skos:ConceptScheme .
n9j:-BV2ND26K-8
  skos:prefLabel "family"@en ;
  a skos:Concept ;
  skos:narrower n9j:-WGHKLT0Z-B .

n9j:-WGHKLT0Z-B
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/parental_investment_theory> ;
  skos:definition "Parental Investment Theory is a biological theory that attempts to explain the dynamic, give-and-take relationships among parents, their offspring, and limited resources. In many species, parents are forced to make a difficult choice between investing in themselves (e.g., survival, mating) and investing in their offspring (e.g., feeding, protection). [Source: Encyclopedia of Human Relationships; Parental Investment Theory]"@en ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-BV2ND26K-8, n9j:-FWNBBQQ0-R ;
  skos:prefLabel "parental investment theory"@en .

n9j:-FWNBBQQ0-R
  skos:prefLabel "theoretical approaches to studying relationships"@en ;
  a skos:Concept ;
  skos:narrower n9j:-WGHKLT0Z-B .

n9j:-concepts
  a isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member n9j:-WGHKLT0Z-B .