Prolactin is a hormone that has evolved over time and is expressed in many different vertebrate species. The common function of prolactin in salmon, amphibians, and humans is to
A) trigger mammary gland secretion.
B) cause individuals to stop growing once a juvenile reaches adult size.
C) aid in reproduction and ensure the continuation of a species.
D) stimulate appetite and feeding behaviors.
E) trigger puberty.

Question

Quizplus · Accepted Answer

Prolactin has been shown to play a role in reproduction in various vertebrates, including salmon, amphibians, and humans. In salmon, prolactin influences osmoregulation and migration patterns necessary for successful reproduction. In amphibians, prolactin affects water uptake and reproductive processes. In humans, prolactin promotes lactation and has been linked to fertility and parental behaviors. Therefore, the common function of prolactin across these species is to aid in reproduction and ensure the continuation of the species.

Prolactin Is a Hormone That Has Evolved Over Time and Is