Which of the statements regarding sex ratios are true?
The ratio of males to females at age 90 or older changes to about 1.5:1.
Sex ratios remain constant over time.
Fewer females tend to survive to reproductive age, and the sex ratio of males to females during adolescence is about $1: 1$.
The ratio of males to females at birth is skewed slightly toward females.
Sex ratios are dynamic and can change over time; the ratio of males to females at birth may be different from that during adolescence and adulthood.

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Accepted Answer

***E*** ∻Key Concept∻ ⚹Sex ratios are dynamic⚹ ∻Explanation∻ ⚹Sex ratios at birth are slightly skewed toward males, not females, and change over time due to differential mortality rates and other factors. At age 90 or older, the ratio changes to about 1 male to 1.5 females due to higher female longevity.⚹◊What factors can influence the sex ratios at different life stages as discussed in the multiple-choice question?⍭ Generate me a similar question◊

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