Yes they are!! In fact we are more organisms than human cells if you count the number of cells. Bacteria reside in the gut responsible for the digestion of many food nutrients we consume. some enzymes what we do not have is presenting in bacteria!
Yes, it is.
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There can be thousands of bacteria on your shoes, especially if you have been walking in various environments like public restrooms or outdoors. Bacteria can easily transfer onto shoes and then be carried into your home. Regularly cleaning your shoes can help reduce the number of bacteria present.
The gut microbiota, specifically the large intestine, is home to bacteria that produce vitamins as byproducts of their metabolism. These vitamins include vitamin K and some B vitamins like biotin and folate.
Common decomposers that can be found in homes include bacteria, fungi, mold, and certain insects like ants and beetles. These organisms help break down organic material such as food scraps, paper, and wood, contributing to the natural decomposition process within the home environment.
She always ensures her home is clean and tidy before guests arrive.