Some food poisoning bacteria can be destroyed by heating. Temperatures necessary to destroy these bacteria vary, but 165 degrees F is temp usually needed. Food danger zone is 40 to 140 degrees F. 5. This spore will not usually be destroyed by cooking. After cooking, if conditions are right for growth, the spore can open, activate and grow the food poisoning bacteria.
Moisture is necessary for most bacteria to grow.
Dried foods and foods cured with salt or sugar are pretty hostile to bacteria. Ph of environment. Bacteria like to eat what we eat. Means of locomotion. Bacteria do not move.