Fact 1: Fertilization occurs when a sperm and an egg fuse. Fact 2: Most cephalopods have separate sexes and fertilization is internal. Given the two facts above, what type of mollusk inseminate the sperm and egg internally?

Choices: [I] insects; [II] it needs them; [III] graptolites; [IV] reproduce; [V] barnacles; [VI] during the day; [VII] a fish; [VIII] Cephalopod;
The answer is:
[VIII]