An curved arrow pointing right. A single celled organism eating its prey, an inside view of a termite's gut, and a parasite going 'Alien' on its host took top honors in Nikon's Small World in ...

The radiating, kaleidoscopic pattern you see here was once the living glass skeleton – the cell wall – of a single-celled organism called a diatom. These organisms absorb silicon from their ...

Single-celled organisms that group together can generate stronger water currents to pull in food, a benefit that may have encouraged early life forms to assemble into colonies, according to a new ...

In fact, there were only single-celled organisms that could move around through the waters of the oceans. Needless to say, these single-celled organisms were quite simple compared to what we see ...

As single-celled organisms, slime molds do not have brains or nerves. And yet, they have ways of processing information. This ancient "intelligence" is of particular interest for unprecedented ...

Prokaryotes are divided into two distinct groups: the bacteria and the archaea, which scientists believe have unique evolutionary lineages. Most prokaryotes are small, single-celled organisms that ...

Like bacteria, archaea are single-celled organisms. Genetically, however, there are significant differences between the two domains, especially regarding their cell envelopes and metabolic processes.

3,800 mya: Bacteria diversify Single-celled bacteria are the oldest-known living organisms. Most bacteria reproduce by making carbon copies of themselves through a process called fission.