Sex allocation theory Edit History Talk0 31,766pages on this wiki Revision as of 15:59, June 14, 2006 by Jaywin (Talk | contribs) (diff) ← Older revision | Latest revision (diff) | Newer revision → (diff) Read more . The grandmother hypothesis is meant to explain why menopause, rare in mammal species, arose in... Grandmother hypothesis In sociobiology and behavioural ecology, the term mating system is used to describe the ways in... Mating systems Assessment | Biopsychology | Comparative | Cognitive | Developmental | Language | Individual... Human behavioral ecology Categories: Human behavioral ecology