PSYC 3100 Lecture Notes - Lecture 18: Placenta, Birth Weight, Prenatal Development
11 Apr 2018
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Perturbs development of son (resulting in low birth weight + gayness) Eg. vigilance against predators: reproductive e ort: mating e ort & parental investment. Things that are good for mating and reproduction are not always good for somatic. Mating e ort: attracting and retaining mates (getting chosen, competing others for access) Parental investment: investment that increases an o spring"s survival (& reproduction) but decreases the parent"s ability to invest in other (including future) children. *** time and e ort that is spent on mating e ort cannot be spent on parental investment, and vice versa *** If an individual lives in an environment with a lot pathogens and predators or have a low immune system, must spend more investment in somatic e ort. > ie. is the payo of attempting to re-mate with someone else greater than the payo of attempting to form a long-term pair-bond: attempting to pair-bond:
