The non-descript, pill-shaped cell is why we understand fundamental life processes (think DNA replication and transcription).

How Old Is the Largest Living Organism. Scientists believe this giant fungal network could be 2,000 to 8,500 years old, based on its growth rate and size.

Pando is the largest living organism in the world, and it has 47,000 stems. All of these share the same DNA and sprout from the same shared root system. Altogether, Pando covers over 100 acres of ...

Guinness World Records classifies an Australian seagrass meadow as the largest living organism. The Shark Bay posidonia australis seagrass is 20,000 hectares — more than 49,400 acres.

A single organism. The mass of all the genetically identical trees weighs around 6,000 tons, which makes it, in terms of mass, the largest living thing on Earth .