Ripley: They grab the colonists, they move them over there and they immobilize them to be hosts for more of these. Which would mean that there would have to be a lot of these parasites, right? One for each colonist. That's over a hundred at least.
Bishop: Yes, that follows.
Ripley: But each one of these things comes from an egg, right? So who's laying these eggs?
Bishop: I'm not sure. It must be something we haven't seen yet.