BIOLOGY 1M03 Lecture Notes - Lecture 28: Corpus Luteum, Fetus, Sexual Dimorphism
24 Mar 2017
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Families of grooms adopt infant brides- grow up with the groom-to-(cid:271)e(cid:859)s families. Mo(cid:396)tality a(cid:374)d di(cid:448)o(cid:396)(cid:272)e (cid:396)ates a(cid:396)e highe(cid:396) (cid:449)he(cid:374) they(cid:859)(cid:396)e adopted (cid:271)efo(cid:396)e the age of 1 (cid:858)lo(cid:448)e(cid:859) (cid:373)a(cid:396)(cid:396)iages o(cid:396) (cid:449)he(cid:374) the (cid:271)(cid:396)ides a(cid:396)e adopted afte(cid:396) the age of 10, the divorce rates are lower. Males are limited by mate acquisition (sexual selection), females are limited by egg production (most species) Male of most species are mostly indiscriminate. Considering parental investment: females usually invest more time as compared to males. Reproductive success records- male- 888, females- 69. Neither male nor female on the first date, but after a week males are willing; females are usually not as eggs are costly. Men prefer more partners and prefer youthful features. Women prefer older men- settled (resource acquisition) Women are most concerned about emotional infidelity (previous study) men are most concerned about sexual infidelity. Another study looked at: perceptions of threat, emotional and psychological responses- found similar results as the previous study.
