Fertilization occurs when a sperm and an egg fuse, and most cephalopods have separate sexes and fertilization is internal. Given these facts, what type of mollusk inseminate the sperm and egg internally among the following options:
- insects
 - it needs them
 - graptolites
 - reproduce
 - barnacles
 - during the day
 - a fish
 - Cephalopod


 

        Cephalopod 