Bacteria were the sole occupants of our planet for more than half of the entire history of life; yet these single-celled organisms are among the smallest living things known. These diverse creatures are abundant in all marine habitats, from the sea surface to the greatest depths.

The role bacteria play in the marine food web is a puzzle that Bigelow Laboratory scientists are helping to solve. Join them on their journey as they "Cycle through the Food Web."

Learn More About How We Classify Bacteria