16. When do females and males attain reproductive maturity?

Answer: A

Explanation:

Females typically attain reproductive maturity about one year after the first physical changes of puberty appear, while males accelerate more quickly.

Females reach reproductive maturity approximately one year after the onset of puberty, while males tend to experience a more rapid progression towards maturity.

A) Females typically attain reproductive maturity about one year after the first physical changes of puberty appear, while males accelerate more quickly.

This statement accurately reflects the biological timelines associated with the onset of puberty and reproductive maturity in both sexes. Females generally show a more gradual increase in reproductive capability, while males experience a quicker transition.

B) Males typically attain reproductive maturity about four years after the first physical changes of puberty appear, while females accelerate more slowly.

This option is incorrect as it misrepresents the timing of male reproductive maturity. Males generally reach reproductive maturity much sooner than four years after the initial physical changes of puberty.

C) Females typically attain reproductive maturity about four years after the first physical changes of puberty appear, while males accelerate more slowly.

This choice is incorrect because it significantly overstates the time it takes for females to reach reproductive maturity, which is closer to one year rather than four. Additionally, it inaccurately suggests that males mature more slowly.

D) Males typically attain reproductive maturity about one year after the first physical changes of puberty appear, while females accelerate more quickly.

This statement is incorrect since it reverses the timelines for males and females. While males do mature quickly, females do not accelerate more quickly than males; they typically take longer to reach full reproductive maturity.

Conclusion

Option A is definitively correct as it accurately describes the timelines of reproductive maturity in males and females. All other options fail to align with established biological understandings of puberty and reproductive development, either misrepresenting the duration or the order of maturation between the sexes.