Microbe Mat the Size of Greece Discovered In the Sea

NewYorkCountryLawyer writes "A mat of microbes the size of Greece has been discovered on the sea floor off the Pacific coast of South America. 'These tiny creatures can join together to create some of the largest masses of life on the planet... A single liter of seawater, once thought to contain about 100,000 microbes, can actually hold more than one billion microorganisms...'"

Comments

Huh, seems they survived the Cambrian after all...

[Colin Douglas Howell]

Interesting. Such giant microbial mats used to be the dominant biological communities in the Precambrian, often forming structures called stromatolites, but most of them were believed to have met their demise during the Cambrian, when lots of new large multicellular critters could literally munch or burrow their way through them. Stromatolites are still present today in a few places, generally in environments too harsh for multicellular organisms to live in, like Shark Bay in Western Australia. But this discovery would indicate that large microbial mat communities proved more evolutionarily durable than previously thought.