poo
Kind of. Microorganisms are used to produce the cheese (Lactobacillus) and the bread (Saccharomyces).
Yeast is.
Yes. It is fermented by yeast.
NO it is made up of micro organisms
every Living thing that you can see is made of tiny little micro organisms
There can be, yes. But they are most liekly harmless and natural.
Antonie van Leeuwenhoek discovered microorganisms in the late 17th century, around the 1670s. He was the first to observe and describe bacteria, protozoa, and other microscopic organisms using his self-made microscopes.
Yoghurt is made with dairy and bacteria. It is disgusting...but actually very healthy!
Wine
Beer.
Something that is "biodegradable" is made form substances that will break down completely and quickly when exposed to sunlight and moisture (and possibly micro-organisms). A good example is "packing peanuts" made from cornstarch.
10.9 inch's that is because it was made for children and then every one started using it.