ANTB22H3 Lecture Notes - Lecture 6: Senescence, Menopause, Mate Choice

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27 Feb 2011
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reproductive success: #of viable (living) offspring produced. mating success is not necessarily equal to reproductive success. males are limited by access to fertile females. males often perform little to no infant care. males can have many more babies across their lifetime than can the average male. some males will have many offspring, others will have none (there can be high male reproductive skew) certain males have lots of offspring, while some have none. The variability from one male to another can be huge amongst males with reproductive success. senescence: means aging, your fertility is liking to decline in old age. Decreased survival of infants born to aged mothers. menopause: permanent cessation of menstrual cycles www. notesolution. com: m ight be adaptive (via the grandmother hypothesis ). only very old females of some species (e. g. chimps) cease ovarian cycling.

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