Answer:
A lighting producing organ to attract mates and prey.
Explanation:
Camouflage would do very little for a fish that spends most of it's day in the middle of a dark ocean. Mimicking other deep sea creatures would actually be more of a disadvantage than an advantage, as the sounds would be more likely to scare away potential prey, rather than attract them. A light however, would attract the prey's curiousity and urge them to check out the light.
The answer is Yes, Chipmunks do have enlarged front teeth for gnawing.
Archaebacteria are not harmed by? 1. Antibiotics
Prokaryotes do not have membrane bound organelles, but eukaryotes do.