An international study led by scientists at the University of Tartu shows that about 470 million years ago, a major ecological change took place in the world’s oceans. For the first time, the hollow interiors of empty mollusc shells began serving as homes for small sea creatures.

An international study led by scientists at the University of Tartu shows that about 470 million years ago, a major ecological change took place in the world’s oceans. For the…

Los primeros animales colonizaron conchas de cefalópodos, caracoles y almejas, favoreciendo la biodiversidad del ecosistema marino. Las conchas ofrecían refugio y recursos a los…