Fertilization occurs when a sperm and an egg fuse.
Most cephalopods have separate sexes and fertilization is internal.
Cephalopods inseminate the sperm and egg internally.
What type of mollusk inseminate the sperm and egg internally?
1: insects
2: it needs them
3: graptolites
4: reproduce
5: barnacles
6: during the day
7: a fish
8: Cephalopod