Grow colonies of multi-hued microbes in a clear tennis ball can with just mud, paper and an egg. Some bacteria are photosynthetic; others are decomposers producing carbon dioxide and using all the oxygen near the bottom of the container.
Grow colonies of multi-hued microbes in a clear tennis ball can with just mud, paper and an egg. Some bacteria are photosynthetic; others are decomposers producing carbon dioxide and using all the oxygen near the bottom of the container.
