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If you spend large parts of your early life deprived of essential nutrients/vitamins/minerals, you well neve acheive your maximum growth potential.
To extrapolate to intelligence, without early stimulation of the cerebral cortex you will never maximise your grey matter.
Note - the evolution bit has already happened.......
Past tense???
__________________ 2 Timothy 2 : 23Don't have anything to do with foolish and stupid arguments, because you know they produce quarrels. 24And the Lord's servant must not quarrel; instead, he must be kind to everyone, able to teach, not resentful. 25Those who oppose him he must gently instruct, in the hope that God will grant them repentance leading them to a knowledge of the truth, 26and that they will come to their senses and escape from the trap of the devil, who has taken them captive to do his will.
Well, there is a hypothesis that a more carnivorous diet made the growth of the human brain possible. Although that does raise the question why primates in general are brainy, regardless of diet... I'm not aware of any correlation between diet and braininess in primates.
__________________ "There is much we do not understand about the history of life, and the same will be true of our grandchildren. But, then, if we knew all there was to know, scientific interest would cease. Textbooks may portray science as a codification of facts, but it is really a disciplined way of asking about the unknown." - A.H. Knoll, Life on a Young Planet
"Come on, put your bloody thinking caps on!" - Dr Tony Prave, geology lecture
Well, there is a hypothesis that a more carnivorous diet made the growth of the human brain possible. Although that does raise the question why primates in general are brainy, regardless of diet... I'm not aware of any correlation between diet and braininess in primates.
Primates will drag me into a different direction.
But....if humans evolved from promates why are there still primates??
__________________ 2 Timothy 2 : 23Don't have anything to do with foolish and stupid arguments, because you know they produce quarrels. 24And the Lord's servant must not quarrel; instead, he must be kind to everyone, able to teach, not resentful. 25Those who oppose him he must gently instruct, in the hope that God will grant them repentance leading them to a knowledge of the truth, 26and that they will come to their senses and escape from the trap of the devil, who has taken them captive to do his will.
But....if humans evolved from promates why are there still primates??
If I come from my parents why do my parents still exist?
(I resisted the strong urge to capitalise and bold that sentence. This "why are there still primates" is one of the dumbest questions I've ever heard from creationists)
EDIT: humans not only evolved from primates, they are primates.
__________________ "There is much we do not understand about the history of life, and the same will be true of our grandchildren. But, then, if we knew all there was to know, scientific interest would cease. Textbooks may portray science as a codification of facts, but it is really a disciplined way of asking about the unknown." - A.H. Knoll, Life on a Young Planet
"Come on, put your bloody thinking caps on!" - Dr Tony Prave, geology lecture
If I come from my parents why do my parents still exist?
(I resisted the strong urge to capitalise and bold that sentence. This "why are there still primates" is one of the dumbest questions I've ever heard from creationists)
EDIT: humans not only evolved from primates, they are primates.
What happened to all the other primates??
I dont see them inventing automobiles ,internet , space travel etc.
And why did only primates evolve to this point of Vastly expanded and superior intelligence over our fellow primates.
No other species have the gap in intellect from the older species that somehow still exist.
__________________ 2 Timothy 2 : 23Don't have anything to do with foolish and stupid arguments, because you know they produce quarrels. 24And the Lord's servant must not quarrel; instead, he must be kind to everyone, able to teach, not resentful. 25Those who oppose him he must gently instruct, in the hope that God will grant them repentance leading them to a knowledge of the truth, 26and that they will come to their senses and escape from the trap of the devil, who has taken them captive to do his will.
I dont see them inventing automobiles ,internet , space travel etc.
Oh, I think if anything else ever got to that level it would mean quick extinction for either them or us.
And why did only primates evolve to this point of Vastly expanded and superior intelligence over our fellow primates.
This sentence doesn't make sense but I'll try to make sense of it anyway.
(1) Human intelligence isn't that vastly "superior" (whatever that means) to, say, chimp intelligence. Chimps/bonobos use and make tools, learn from each other, have a (limited) linguistic potential (they are even capable of inventing new phrases), possess self-awareness...
(2) There are other impressively (ape-level) smart animals out there. Dolphins and some birds (I suggest you read some stuff about Alex and Irene Pepperberg's other grey parrots), clearly have more than their fair share of smartness.
(3) Huge brains are costly. For most animals it won't be worth growing and feeding a supercomputer in their heads because they simply don't need it. They only need a limited inventory to manage their lives and flexibility of responses or analysis of complex situations isn't a requirement for them.
(4) Also, not all body plans are as good for growing brains as the vertebrate body is. Our skulls neatly keep the brain in one separate, well-protected place, and skulls are also able to grow as we grow. For a contrasting example, an insect's gut effectively passes through its brain. Guess what would happen to the feeding ability of the thing if its brain grew too large?
"Supersmart" species (dolphins and primates at least, I really don't know much about parrot ecology) seem to me to be mostly social animals. It's beneficial for them to be able to recognise individuals, remember their previous interactions, detect and punish cheaters and consider complex group hierarchies. I think social lifestyles - at least in vertebrates - have much to do with brains. Another factor may be a complex and unpredictable environment where being smart and flexible is a good strategy for survival.
No other species have the gap in intellect from the older species that somehow still exist.
??? Do you speak English?
__________________ "There is much we do not understand about the history of life, and the same will be true of our grandchildren. But, then, if we knew all there was to know, scientific interest would cease. Textbooks may portray science as a codification of facts, but it is really a disciplined way of asking about the unknown." - A.H. Knoll, Life on a Young Planet
"Come on, put your bloody thinking caps on!" - Dr Tony Prave, geology lecture
In that you are very wrong. "Why is [insert trait] good for organism X?" or "If [insert trait] is so good for organism X why isn't it good for everyone?" are legitimate and interesting questions in biology.
__________________ "There is much we do not understand about the history of life, and the same will be true of our grandchildren. But, then, if we knew all there was to know, scientific interest would cease. Textbooks may portray science as a codification of facts, but it is really a disciplined way of asking about the unknown." - A.H. Knoll, Life on a Young Planet
"Come on, put your bloody thinking caps on!" - Dr Tony Prave, geology lecture
In that you are very wrong. "Why is [insert trait] good for organism X?" or "If [insert trait] is so good for organism X why isn't it good for everyone?" are legitimate and interesting questions in biology.
I would say "How this [insert trait] is giving specifical advantage to this specie in this environment ?". Not why. "Why" has often leaded us to teleogical reasoning.
Yes. The evolution of the genes was complete befor etheir expression was maximised.
Originally Posted by Naraoia
Well, there is a hypothesis that a more carnivorous diet made the growth of the human brain possible. Although that does raise the question why primates in general are brainy, regardless of diet... I'm not aware of any correlation between diet and braininess in primates.
In my youth, I was led to believe the early human brain was fed on a diet of fish - no rea conclusive evidence, but many early human settlements are found around the coast. The requirement of omega oils (from fish) are nowadays more
commonly known than back then, but it is an intruiging hypothesis. Fish are rich in protein, so a perfect meal all round.
Originally Posted by Bobfr
I would say "How this [insert trait] is giving specifical advantage to this specie in this environment ?". Not why. "Why" has often leaded us to teleogical reasoning.
How is answered through evidence and sound judgement, why can be answered but involves interpretation and should be treated with caution.
__________________ "We are all atheists about most of the gods that humanity has ever believed in. Some of us just go one god further." - Professor Richard Dawkins.
"It ain't the parts of the Bible that I can't understand that bother me, it is the parts that I do understand." - Mark Twain
"The inspiration of the bible depends on the ignorance of the person who reads it." - Robert G. Ingersoll
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