cambrian explosion

  • New Theory Suggests Hardy Tardigrades Evolved From Ancient Worms

    New Theory Suggests Hardy Tardigrades Evolved From Ancient Worms

    Tardigrades. Water bears. Moss piglets. No matter their name, the microscopic invertebrates are notoriously tough, and now, a team of researchers studied the tardigrade’s ancestors to figure out how the animal evolved. The research team studied lobopodians, a group of extinct soft-bodied worms from the Cambrian Period, and modern tardigrades to determine which features of…