Flies feed on dead or decaying organic matter, and human skin is constantly shedding, whether you notice it or not. Flies eat the dead skin cells and whatever organic matter (including sweat) has accumulated on it. There's no such thing as a thoroughly clean human being, so there's much to eat.
House flys are attracted to bad smelling things such as trash and since sweat gets rid of all of our toxins our skin is one big helping to them!
There are no houseflies in Alaska.
Houseflies are born from maggots.
The houseflies enemies, other than the human, are spiders.
The family that common houseflies come from are Muscidae.
Nowhere. There are plenty of houseflies still in Australia.
When houseflies rub their hind limbs together, they are cleaning themselves. Grooming is a primary activity among houseflies and may even be called 'hand' rubbing.
Because it is the most common of all domestic flies and lives in human habitations.
no
feces
Yes they are.
finn
yes