- Hermaphroditism
An organism with both male and female sexual organs present

- Protandrous
Hermaphrodite organisms that start off male then turn female (have male reproductive organs come to maturity before female)

- Intromittent organ
External organ that a male organism use to deliver sperm

- Spawning
Release of gametes from the body into the surrounding water resulting in fertilization 

- Semelparous
An organism that gives birth once in a lifetime

- Iteroparous
An organism that gives birth multiple times in a lifetime

- Oviparity
Is where the egg is laid outside of the