Where did fireflys,glow worms and lightning bugs come from theres no other insects like them.?

Question

Where did fireflys,glow worms and lightning bugs come from theres no other insects like them.?

Answer 1

theres nothing quite like an Ohm it a real creature of the salamander family lives in pitch black caves but is albino white with red eyes check it out they Cool!!!!!!

Answer 2

there is a fish that has a bulb on its head, and the bulb glows

these are just evolutions that occur to help the creatures live in their environments

Answer 3

they are a mutation

Answer 4

they are adaptations. fireflies started using bioluminescence to attract prey, and for mating. glow worms, i dont know. do worms even have eyes?