Osmotroph

\OZ-moh-trofe\ n.

By Paul Gabrielsen, 15:09 PM March 6, 2014

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An organism that eats by osmosis, relying on nutrients diffusing into its body from a higher concentration in its environment.

About 550 million years ago, ambitious aquatic fronds began growing taller and tapped into more nutrient-rich water than found at the seafloor surface. Researchers simulated fluid flow over early multicellular osmo-trophs, which may be early precursors to animals, and found that taller fronds absorbed more nutrients.

The fronds grew up to 2 meters tall at ...

Source URL: https://www.sciencenews.org/article/osmotroph?mode=topic&context=76