Yes, a mans sperm count and motility declines with age. As well as his sex drive. Young men would engage in intercourse more frequently with more viable sperm. This would increase the chance that one would be there at the right time to fertilize an egg.
Intelligence is not determined by sex. Some younger sisters are smarter than their older brothers. Some older brothers are smarter than their younger sisters.Intelligence is not determined by sex. Some younger sisters are smarter than their older brothers. Some older brothers are smarter than their younger sisters.Intelligence is not determined by sex. Some younger sisters are smarter than their older brothers. Some older brothers are smarter than their younger sisters.Intelligence is not determined by sex. Some younger sisters are smarter than their older brothers. Some older brothers are smarter than their younger sisters.
there are more older people than younger people.
older because it is at the bottom and the ones on top are younger than the bottoms
OLder
older because it is at the bottom and the ones on top are younger than the bottoms
younger
Younger
younger
Much younger
younger
Younger
Helen Keller's half brothers were older than her.