RE: Vision and Evolution (A Critique of Dawkins)
August 4, 2019 at 8:13 am
(This post was last modified: August 4, 2019 at 8:27 am by The Grand Nudger.)
Evolutionary development and fetal development aren’t the same subject.
In humans, broadly, our brain, spine, and nervous system develops first....but none of these things are even remotely close to the oldest adaptations that make us what we are. There is no rule stating that organs and structures have to develop according to the temporal order of their evolutionary emergence.
What’s being referred to, with the brain following the eye, is that if you have an eye, a brain that can extract more information from that eye is advantageous.
In humans, broadly, our brain, spine, and nervous system develops first....but none of these things are even remotely close to the oldest adaptations that make us what we are. There is no rule stating that organs and structures have to develop according to the temporal order of their evolutionary emergence.
What’s being referred to, with the brain following the eye, is that if you have an eye, a brain that can extract more information from that eye is advantageous.
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