Latest Acoelomorpha Stories
Evolution is not a steady march towards ever more sophisticated beings and therefore the search for the living "missing links" is pointless.
Two groups of lowly marine worms are related to complex species including vertebrates (such as humans) and starfish.
In the most computationally intensive phylogenetic analysis to date, an international research team led by Brown University has found the first evolutionary branching for bilateral animals.
- To swell, as grain or wood with water.