Strange and wondrous creatures: plankton and the origins of life on Earth

...scientists have come to this exact spot to study some of the most abundant and important life forms in the ocean:...creatures we call plankton.

Plankton are a large and diverse collection of water-dwelling organisms that tend to flow with currents and tides... Nearly every liquid environment on the planet is home to plankton.

Read at www.theguardian.com