How does multicellularity evolve? Scientists who study a family of green algae that includes unicellular Chlamydomonas and multicellular Volvox are beginning to find answers to this question. Before ...

Shown are representatives of all major lineages of eukaryotic organisms, color coded for occurrence of multicellularity. Solid black circles indicate major lineages composed entirely of unicellular ...

Foreword : the evolution of multicellularity / John Tyler Bonner -- I. Functional and molecular predispositions to multicellularity. Fossils, feeding, and the evolution of complex multicellularity / ...

In the beginning there were single cells. Today, many millions of years later, most plants, animals, fungi, and algae are composed of multiple cells that work collaboratively as a single being.

Multicellularity is one of the most profound phenomena in biology, and relies on the ability of a single cell to reorganize ...

The appearance of free oxygen in the Earth’s atmosphere led to the Great Oxidation Event. This was triggered by cyanobacteria producing the oxygen which developed into multicellular forms as early as ...

One of the big evolutionary questions in life is how and why single cell organisms organized themselves to live in a group, thereby forming multicellular life forms. Scientists have answered at least ...

The transition from single-celled to multicellular organisms was one of the most significant developments in the history of life on Earth. Without it, all living things would still be microscopic and ...

A single-celled alga has evolved a crude form of multicellularity in the lab – a configuration it never adopts in nature – giving researchers a chance to replay one of life’s most important ...

An interview with the developmental biologist Cassandra Extavour on the origins of multicellular organisms and the evolution of cooperation. The developmental biologist Cassandra Extavour sings ...

E. coli is arguably the most well-studied organism on Earth, but scientists have now discovered a new behavior that’s almost never seen in bacteria. The normally single-celled organisms have shown ...

If you know anything about deep history, you’ve doubtless heard something about the Cambrian Explosion, 542 million years ago (MYA), when all those trilobites showed up with their animal body plans.