If there is any kind of an opening or leak, then yes, mold could grow inside the walls of a bathtub enclosure. Moisture and darkness are the perfect environment for many kinds of mold to grow.
The discoloration on the walls is likely caused by mold, not mildew.
Mold typically grows on surfaces that provide it with nutrients, moisture, and oxygen, such as walls, floors, and food. While it is possible for mold to grow on human skin, it is not common. However, mold exposure can cause skin irritation and allergic reactions in some individuals.
Steam from your shower can indeed effect the bathroom walls. You should wash your bathroom walls on a regular basis. Mold can grow from excess water or even the steam from your shower.
There are many different kinds of ingredients that grow mold. Fruits and breads can grow many different kinds of mold.
You'll find that almost everything has the potential to grow mold. That includes foods which, when they rot, often grow mold. So yes, a pear can grow mold. I suggest you eat it before it does.
Mold grows on cheddar cheese because mold needs moisture to grow.
When mold is in the outdoor, when they grow in the outdoor, it is called outdoor mold. Actually where there is food molds grow there.
This depends on the mold. eg: Bread molds grow on bread.
Mold can also grow on cheese.
mold does basically grow on all foods
yes. virtually, mold can grow on anything