A Quote by Jonathan Haidt

It only takes twenty generations of selective breeding to create large differences or appearance and behavior in other mammals. — © Jonathan Haidt
It only takes twenty generations of selective breeding to create large differences or appearance and behavior in other mammals.
We have no ethical obligation to preserve the different breeds of livestock produced through selective breeding One generation and out. We have no problems with the extinction of domestic animals. They are creations of human selective breeding.
Where else is fatness at a premium? The answer is clear. There are two classes of mammals which are liable to accumulate large quantities of adipose tissue - hibernating mammals and aquatic mammals.
I may say that the only differences I expect to see revealed between the behavior of the rat and man (aside from enormous differences of complexity) lie in the field of verbal behavior.
I've accepted the fact that there's a beginning and end to everything. All species are born, evolve, and then die off. We're going through the 6th great extinction and the large mammals are going first and, you know what - we're large mammals!
The only fundamental and possible socialism is the socialisation of the selective breeding of man.
Venti is twenty. Large is large. In fact, tall is large and grande is Spanish for large. Venti is the only one that doesn't mean large. It's also the only one that's Italian. Congratulations, you're stupid in three languages.
Gradually, by selective breeding, the congenital differences between rulers and ruled will increase until they become almost different species. A revolt of the plebs would become as unthinkable as an organized insurrection of sheep against the practice of eating mutton.
I read the other day that Minor White said it takes twenty years to become a photographer. I think that is a bit of an exaggeration. I would say, judging from myself, that it takes at least eight or nine years. But it does not take any longer than it takes to learn to play the piano or the violin. If it takes twenty years, you might as well forget about it!
I'm always very interested in breeding. Raising cacti is breeding. My lotus plant collection is breeding. The insects are breeding.
The urgency to mate persists in all people as in all other mammals because of the evolutionary drive to continue the species, the inborn imperative for genes to reproduce and hormonal differences that evolved over millions of years.
Among mammals, a virgin birth (parthenogenesis) can only produce female offspring, for chromosomal reasons. Messiahs are mammals. Therefore, Jesus was... On the other hand, among turkeys, the chromosomal situation is such that all products of virgin birth are males. So if Jesus was a male, he might also have been.
Five hundred and fifty generations have lived here. Only the stories we tell each other will create us as a true Canadian people.
You should prepare to follow the program for 90 days. Why? Because behavioral research indicates that it takes 90 days to prepare for change, build a new behavior, become confident in the face of high-risk triggers, and move past the likelihood of relapse. Brain research also suggests that it takes a few months of practicing a new behavior to create permanent change.
It's natural canine behavior to chew on all sorts of things, roll in other animals' droppings, hump and fight other dogs, menace anything that invades the home. All these behaviors can be curbed, but that takes a lot of work. Trainers say it requires nearly 2,000 repetitions of a behavior for a dog to completely absorb it.
However, further research has shown that it is the normal condition for humans and for most other mammals. It seems pretty clear why this is the case for most mammals and for most human beings.
Propaganda by censorship takes two forms: the selective control of information to favour a particular viewpoint, and the deliberate doctoring of information in order to create an impression different from that originally intended.
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