: Many marine species change sex during their lifetime.
Differences in maturity age can lead to skewed sex ratios on spawning grounds; if one sex matures later, fewer individuals survive the return migration. 4. Human Development and Invariance sex matures
: Sex hormones and maternal effects play a significant role in the physiological transition to maturity. Sex-ratio evolution in sex changing animals - PubMed : Many marine species change sex during their lifetime
: Some research suggests females may show early advantages in processing speed and short-term memory, while males may show later advantages in visual-spatial abilities starting around age eight. 5. Environmental and Genetic Factors if one sex matures later
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