نتایج جستجو برای: familial resemblance
تعداد نتایج: 61875 فیلتر نتایج به سال:
Predation exerts strong selection on mimetic butterfly wing color patterns, which also serve other functions such as sexual selection. Therefore, specific selection pressures may affect the sexes and signal components differentially. We tested three predictions about the evolution of mimetic resemblance by comparing wing coloration of aposematic butterflies and their Batesian mimics: (a) female...
Father-child facial resemblance is an important cue for men to evaluate paternity. Previous studies found that fathers' perceptions of low facial resemblance with offspring lead to low confidence of paternity. Fathers' uncertainty of paternity could cause psychological stress and anxiety, which, after a long time, may further turn into trait anxiety. Conversely, females can ensure a biological ...
We tested a series of hypotheses derived from the view that allegations of resemblance of newborns are motivated responses to the problem of uncertain paternity. Paternal resemblance was alleged far more ofien than maternal resemblance by videotaped mothers immediately after birth and by questionnaire respondents (mothers, fathers, and relatives on both sides). This bias was evident for infants...
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