Sept. 3 (UPI) -- A Chilean study found that farmed mussels are undergoing genetic changes that help them adapt to their environments, improving their chances of survival. The study, published in the journal Aquaculture , provides the first evidence of small-scale adaptive genetic differences in farmed populations of Mytilus chilensis, a mussel species native to Chile. For the study, led by the Millennium Institute for Coastal Socio-Ecology , which brings together scientists from Chilean