Question 31 1 pts Contributing factors to the lower age of menarche in industrialized nations today include hormones and chemicals in food and personal care products All of these answers may be contributing factors to early menarche reduced exercise and accumulated fat deposits in children and early teens over-nutrition and increased carbohydrate consumption Question 32 1 pts The "grandmothering hypothesis" tries to explain the age of puberty for males around the world the recent development of old-age facilities in the U.S.A. the adaptive significance of menopause in older female humans the trend toward a lower age of menarche onset in America today
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Menarche is the onset of menstruation, which typically occurs during puberty. The factors listed are: Show more…
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With regard to the female menstrual cycle, identify the FALSE statement: Select one or more: a. most women experience a 1-2 year pause in menstruation during their reproductive years without contraception. b. it acts on two different structures of the reproductive anatomy, generating both an ovarian cycle and uterine cycle. c. it involves a cyclical production of estrogen and progesterone. d. young women starting to menstruate commonly do not ovulate every cycle. e. onset begins with menarche (first menstruation) and ceases with menopause.
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