Cells are the smallest unit of life. Cells in multicellular plants and animals are arranged into tissues, organs and organ systems. Cells. Tissues. Organs. Organ systems. And the organism itself.

When subjected to physical pressure, archaea - ancient single-celled organisms - form multicellular structures.

If other plant species had similar photoreceptor genes ... and these include the cells of multicellular organisms. (See “Genetics Gifts” below.) A little more than a decade ago, University of Texas at ...

The mystery of how multicellular life evolved has long baffled scientists, who’ve spent years trying to understand how solitary single-celled organisms began living in unison and triggered the ...

Induction of Multicellularity: When mechanically compressed, the salt-loving archaeon Haloferax volcanii can shift from being ...