a vent at the back of the abdomen
They come from eggs that might be laid in rotten food substances. It takes 48 hours for them to turn into fruit flies, that is why it seams that they come from nowhere when all it is is that they reproduce really fast. For more information try this link: http://www.thebugsquad.com/fruit-flies/where-do-fruit-flies-come-from
No.
No , maggots are from flies
fruit flies come from outside they do not generate from rotten fruit.
Fruit flies come from outside. They are small enough to pass through screens. They do not spontaneously generate from over ripe/rotting fruit.
England
durring the winter they are maggots!
they dont
from the existing flies that can be seen around the butcher's shop
red back spiders eat flies that come from their web
The movie was based on the novel Lord of the Flies by William Golding.
Louis Pasteur.