Huge Sponges Are Eating an Extinct Arctic Ecosystem
by Matt Simon from on (#5VXV9)
Thousands of years ago, hydrothermal vents fed worms deep below the ice. Scientists have found 300-year-old sponges feeding on the worms' fossilized remains.Thousands of years ago, hydrothermal vents fed worms deep below the ice. Scientists have found 300-year-old sponges feeding on the worms' fossilized remains.