For reproductive purposes, a penis is necessary for

Question

Quizplus · Accepted Answer

Internal fertilization involves the insertion of a penis into a female's reproductive tract, allowing sperm to be delivered directly to the eggs. Therefore, species with internal fertilization require a penis for reproductive purposes. Hermaphrodites have both male and female reproductive organs, so they do not necessarily require a penis. Species with external fertilization, such as fish, release eggs and sperm into the surrounding water, so a penis is not necessary. Courtship is important for many species but not necessarily tied to reproductive processes that require a penis.

For Reproductive Purposes, a Penis Is Necessary for