ANT211H5 Lecture Notes - Lecture 9: Hunter-Gatherer, Inclusive Fitness, Nepotism
Document Summary
Sexual behaviour to have adaptive value, it must be cross-cultural. If it is only seen in one culture, then it may be a cultural behaivour: cross-cultural universality is a key factor for a socialbiological principle to be true in sexual beahviour of humans. Cross cultural universals of human society: monogamous relationships through repeated reproductive episodes, biparental care. Cross-culturally, males in our species tend to give more of a parental investment to offspring in comparison to other mammals. This paternal investment usually last until child"s critical development period: marriage. There is a lot of variability in the definition of marriage. What is universal about marriage involves the exclusive sexual access between mated individuals. Mated extended pair bonds occurs within a huge, large complicated within social networks. Stable mateships within a social network of other relationships: kinship. Expression/recognition of relationship between individuals usually associated with descendents: food sharing & economic networks.
