1. Bacterias help in nutrient cycle eg. Nitrogen fixing bacterias in plants. 2. Bifidobacteria (lactobacillus bifidus) as probiotic to help synthesise food in our digestive system.3.LAB- (both good...
One way that they help is by helping us digest our food. We have what are called intestinal flora, a group of many different bacteria in our digestive system that help us by breaking down food...