Sex Matures (DELUXE)

: Many marine species change sex during their lifetime.

Males may mature earlier (approx. 5–6 years) compared to females (approx. 7–8 years). sex matures

: Individuals mature first as females and later transition to males. : Many marine species change sex during their lifetime

In humans, sexual maturation is associated with adolescence. Recent psychometric studies, such as those using the Woodcock-Johnson IV Tests (WJ IV COG), examine whether cognitive maturation differs by sex. sex matures

: Individuals mature first as males and later change into females.

: In some sex-changing species, a subset of the population may skip the "first" sex phase entirely and mature directly into the "second" sex (e.g., "pure males" in protogynous species). 3. Case Studies in Wildlife