Why does microbes grow on food?

Answer 1

There is no explanation to why things exist because the existence of anything is due to random events.

Microbes help by breaking down dead decaying material in the nutrient cycle or they carry out specific functions with a symbiotic relationship with other organisms (e.g. nitrogen fixing bacteria have a symbiotic relationship with plants).

Answer 2

Reproduction seems to be their reason for being. All comes down to divide and conqure. The more copies of themselves they can make the more of there DNA is about and so the more potential there is for that DNA to survive. The bacteria which are the most sucessful at reproducing will out compeat the other species for food, spaces etc. Evolution with therefroe favour the bacteria which reproduce the quickest, yet retain the most flexable feeding and environmental characteristics.

Answer 3

bacteria is everywhere. Bacteria can multiply in seconds so if food is left out like meat bacteria starts to grow on it making it dangerous for us to eat

Answer 4

They have found a way to adapt or evolve to most environments. Besides, they don't grow everywhere, some just exist until things change for the better.

Answer 5

For the same reason that any living being must multiply. Those that don't multiply won't survive long.

Answer 6

coz dey r