Before eyes, life was gentler and tamer ... This appears to be a trivial matter. Many single-celled organisms have eyespots made of light-sensitive pigments. Some can even swim towards or away ...

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 ...

It had black eyes and small black patches of fur ... “Choanoflagellates don’t have stem cells, they’re single-celled organisms, but they have these genes, likely to control basic cellular ...

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.

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 ...