Answer :
Final answer:
Primary sexual characteristics involve reproductive organ changes, while secondary sexual characteristics are visible changes not directly linked to reproduction.
Explanation:
Primary sexual characteristics are changes in the reproductive organs necessary for reproduction. For females, one such primary characteristic is the maturation of ovaries, where immature gametes develop into mature eggs for fertilization.
Secondary sexual characteristics, on the other hand, are visible changes not directly linked to reproduction. Examples include the growth of pubic hair, breast development, and changes in voice pitch.
Understanding the distinction between primary and secondary sexual characteristics helps in comprehending the physical changes that occur during puberty and sexual maturation.
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