How Did Fish Evolve To Walk On Land? They Used Their Eyes First, Says Study
How Did Fish Evolve To Walk On Land? They Used Their Eyes First, Says Study
9 March 2017, 8:26 am EST By Alexandra Lozovschi Tech Times
Exciting, new evidence on how animals first came out of the water challenges everything we knew about the terrestrial vertebrates's evolution. A compelling study by the joint efforts of prestigious universities suggests that vision — and not limbs — was in fact paramount in the leap from water to land.
The collective research offers a new approach in understanding this evolutionary threshold, providing key information on what drove early aquatic vertebrates to conquer land. According to the study, it was evolved eyesight that prompted this momentous change, and came first both chronologically and in importance.
Neuroscientist and engineer Malcolm A. MacIver, from the Northwestern University, partnered up with evolutionary biologist and paleontologist Lars Schmitz, from the W.M. Keck Science Department — in a joint program of Claremont McKenna, Scripps and Pitzer colleges — to analyze fossils and their evolutionary changes.
They discovered substantial adaptations in visual range and were the first to ascertain this was how transition from water to land was made possible.
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