BIO_SC 1400 Lecture Notes - Lecture 9: Mate Choice, Muscle Tone, Facial Symmetry
Document Summary
Males engage in more parental care the most species, but paternal care is facultative (i. e. may or may not occur). Both sexes are choosey, but females are more choosey. Both sexes compete for mates, but males compete more. Male fertility does not decline with age. women selected to look for signs of ability & willingness to invest in progeny earning capacity, social stature & patience. In a study of mate choice across 37 cultures females ranked earning capacity higher than m. Attractive male traits: tall, broad chest: waist, prominent chin & cheek bones, large smile, facial symmetry: for health, of children (good genes, of male partner himself, for attractive children. Mate choice preferences influenced by: female"s ovulatory cycle during fertile window: females prefer more masculine faces females are rated more attractive by men, long-term vs. short-term expectations. F: appearance more important in st mates looking for genes not parental care.
