"New Hypothesis for Origin of Terrestrial Vertebrates..." Topic
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| Tango01 | 16 Mar 2017 3:07 p.m. PST |
…Proposed
"Prof. MacIver, Dr. Schmitz and their colleagues studied the fossil record and discovered that eyes nearly tripled in size before — not after — the water-to-land transition.
The tripling coincided with a shift in location of the eyes from the side of the head to the top. The expanded visual range of seeing through air may have eventually led to larger brains in early terrestrial vertebrates and the ability to plan and not merely react, as fish do. "Why did we come up onto land 385 million years ago (Devonian period)? We are the first to think that vision might have something to do with it," explained Prof. MacIver, who is the lead author of a paper describing the research, published this week in the Proceedings of the National Academy of Sciences…"
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Armand |
| Cacique Caribe | 16 Mar 2017 3:28 p.m. PST |
Maybe this documentary has the answer (4 minutes in): :) YouTube link Dan |
| Waco Joe | 16 Mar 2017 4:21 p.m. PST |
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| Tango01 | 17 Mar 2017 9:30 a.m. PST |
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