An international team of scientists has uncovered a fascinating piece of the evolutionary puzzle: how the ventral nerve cord, a key component of the central nervous system, evolved in ecdysozoan animals, a group that includes insects, nematodes, and priapulid worms.
New fossil discovery sheds light on the early evolution of animal nervous systems." ScienceDaily. ScienceDaily, 10 January 2025. <www.sciencedaily.comQueen Mary University of London. . New fossil discovery sheds light on the early evolution of animal nervous systems.
The history of a major animal group, composed of millions of species of insects, arachnids, and nemotodes, has been elusive -- until now. A team has now identified the oldest known ecdysozoan in the ... A new study examined how bivalves -- the group that includes clams, mussels, scallops, and oysters -- evolved among many others in the period of rapid evolution known as the Cambrian Explosion. The ...
Many scientists consider the 'Cambrian explosion' -- which occurred about 530-540 million years ago -- as the first major appearance of many of the world's animal groups in the fossil record. Like ... In work that could help unravel the origin of sleep, an international team of researchers has shown that tiny, water-dwelling hydras not only show signs of a sleep-like state despite lacking central ...Chornobyl Dogs' Genetic Differences Not Due to MutationAn Earful of Gill: Evolutionary Origin of the Mammalian Outer Ear
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