Vast and complex microbial communities teem on and inside our bodies.
The possible presence of liquid water is certain to revive speculation that Mars is teeming with microbial organisms.
When the researchers analyzed these cotton swabs and sequenced the fragments of bacterial DNA that they contained, they found that even the most sparkling houses were teeming with microbial squatters — more than two thousand distinct types, on average.
The water from Lake Whillans turned out to be teeming with microbial life, with around 1000 bacteria per cubic millimetre of water.
As the researchers hoped, the water had very little organic carbon and yet was teeming with microbial life, in particular a group of microbes called archaea.
"It would be a shame to overlook an inhabited world because we did not consider all the possibilities". On Earth three billion years ago the atmosphere was virtually empty of oxygen, yet its oceans were teeming with microbial life.
Despite such harsh conditions, this anoxic and sulphidic environment is teeming with microbial life, both chemosynthetic prokaryotes that are primary producers [ 2], and a broad diversity of eukaryotic heterotrophs at the next trophic level [ 3, 4].
The diversity of developmental programs present in animal phyla first evolved within the world's oceans, an aquatic environment teeming with an abundance of microbial life.
However "dead" soil may appear, it is in fact teeming with millions or billions of microbial cells per gram, depending upon soil fertility and the environment.
The water park is too crowded, and furthermore, teeming with the kind of aggressive microbial subcultures that make relaxation difficult.
