2 ms·
Speculation 1. The bicameral mind was created as a result. Speculation 2. The earliest creatures with two eyes may have been conjoined twins -- which were mo
by emmelaich 8mo ago
Speculation 1. The bicameral mind was created as a result.
Speculation 2. The earliest creatures with two eyes may have been conjoined twins -- which were more successful in life than their single-celled/bodied siblings.
- adrian_b 8mo agoThe article is not about this, but about an unexpected way of how the original 3 eyes of the vertebrates have evolved into the 2 eyes that most vertebrates have today. See other comments. In most cases the evolution of eyes in animals has been from more eyes to fewer (but more complex) eyes, and not the opposite.