ANT211H5 Lecture Notes - Lecture 7: Alloparenting, Ovulation, Menarche
Document Summary
Sex roles & parental care: life history strategies. For the reading; focus more on human life strategy. How an organism allocates its efforts over its lifetime in order to maximize fitness. Everything comes with an energy cost, so you need to budget your energy appropriately. Iteroparity: divide energy/resources up: repeated reproduction, return to pre-reproductive state. Budget energy between reproductive effort & somatic effort (divided into growth & maintenance) Allocation of resources between body size & reproduction. How large an organism should grow before reproduction. A sex difference in the age of first reproduction (may be either sex that matures first) Males spend time on growth and maturity before because sexually active because the biggest males get the most mates. Elephant seals when they throw around the baby . Huge male reproductive variance; males get exclusive access to females, younger males get no opportunities and get sexually frustrated and take it out on the little babies so sad.
