You are presented with the question "What type of mollusk inseminate the sperm and egg internally?" and the following answer choices: 
- insects
 - it needs them
 - graptolites
 - reproduce
 - barnacles
 - during the day
 - a fish
 - Cephalopod

Now knowing that fertilization occurs when a sperm and an egg fuse and most cephalopods have separate sexes and fertilization is internal, choose the best answer.


 

        Cephalopod 