300-year-old Arctic sponges feast on the corpses of their decaying, extinct neighbors
Sponges that are hundreds of years old live and thrive atop layers of dead animals in the Arctic Ocean. They survive in the low-nutrient water by feeding off extinct creatures' remains, which bacteria help them to digest.
Sponges that are hundreds of years old live and thrive atop layers of dead animals in the Arctic Ocean. They survive in the low-nutrient water by feeding off extinct creatures' remains, which bacteria help them to digest.
