Get some mud and a few other ingredients to build an entire ecosystem for bacteria.
How to Make a Winogradsky Column
Your body is home to trillions and trillions of tiny living things called microbes, and most of them live in your digestive tract. And no wonder, it is a warm and sheltered place filled with food — a perfect spot for bacteria! But not all microbes live in the same place. Based on the habitat they’re most suited for, different species of bacteria live in different parts of the tract.
