The study, published in the journal Current Biology, was led by Russell Bicknell of the American Museum of Natural History. The team analyzed more than 200 fossilized shells of the Early Cambrian species Lapworthella fasciculata. Many of these small shells, about the size of a grain of sand, bore traces of punctures, probably made by a soft-bodied predator (a mollusk or worm).
Fossils showed an increase in crustal thickness over time; This suggests that the prey has developed a stronger shell as protection. In response, the predator has evolved more efficient ways to break through these reinforced shells; this is “a clear example of an evolutionary arms race.”
Source: Ferra
I am a professional journalist and content creator with extensive experience writing for news websites. I currently work as an author at Gadget Onus, where I specialize in covering hot news topics. My written pieces have been published on some of the biggest media outlets around the world, including The Guardian and BBC News.
