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.
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.
The number of houseflies in a pound can vary, but an estimate is around 177,000 houseflies. Keep in mind that size, age, and species of the flies can affect the actual count.
Because it is the most common of all domestic flies and lives in human habitations.
yes
feces
Yes they are.
no
finn