Mold is alive, but it is neither a
plant nor an animal. Mold is a type of fungus. It
is part of a group of living organisms that are very common
and serve an important role in the environment.
Penicillin, an antibiotic that has saved many lives, is a type
of mold, as is yeast.
However, mold can
grow on bread and other types of food, making it unfit to
eat. Mold can grow on the walls, floors and ceilings of
your home as well as on your personal possessions.
People often refer to some household molds as mildew, although
the term also can apply to molds found
outdoors.
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