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7 Animals That Are Evolving Right Before Our Eyes | Cracked.com
The elephant info and the russian dog info. Remarkable.
The elephant info and the russian dog info. Remarkable.
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The dogs are adapting. The elephants? Thats evolving.
The dogs are adapting. The elephants? Thats evolving.
Nope
As the bigger tusk elephants have been hunted.
The smaller tusk elephants had more chance of survival.
Thus the gene pool tended to be skewed towards smaller and smaller tusked animals.
This is not in any way evolution.
But a direct result of man made hunting practices.
The dogs are adapting. The elephants? Thats evolving.
Nope
As the bigger tusk elephants have been hunted.
The smaller tusk elephants had more chance of survival.
Thus the gene pool tended to be skewed towards smaller and smaller tusked animals.
This is not in any way evolution.
But a direct result of man made hunting practices.
Actually any factor that drives a species gene pool in a certain direction can be considered part of the evolution of that species, whether or not that factor is natural or created by mankind. "Skewing" the "gene pool" by killing off specific parts of it is evolution. Evolution refers to the changes in form, function and genetics that happens as a result of environmental pressures that favor one genetic development path and suppress other paths. The domestication of dogs from the original wolf genetic pattern is an example of a man caused "evolution" of a species into very different physical forms and basic psychology.
Yes, it is. It's the survival of the fittest. That is the foundation of natural selection, one of the processes that drive evolution.The dogs are adapting. The elephants? Thats evolving.
Nope
As the bigger tusk elephants have been hunted.
The smaller tusk elephants had more chance of survival.
Thus the gene pool tended to be skewed towards smaller and smaller tusked animals.
This is not in any way evolution.
Weeding out certain traits from the gene pool isn't really "evolving". It is not producing a new trait that was never present before, it's just making a rare trait much more prevalent.
Isn't learning a new trait evolving in to something else? Same with adaptation. Evolve could mean any "new" thing that is not the "norm". Right?
Yes, it is. It's the survival of the fittest. That is the foundation of natural selection, one of the processes that drive evolution.The dogs are adapting. The elephants? Thats evolving.
Nope
As the bigger tusk elephants have been hunted.
The smaller tusk elephants had more chance of survival.
Thus the gene pool tended to be skewed towards smaller and smaller tusked animals.
This is not in any way evolution.
Weeding out certain traits from the gene pool isn't really "evolving". It is not producing a new trait that was never present before, it's just making a rare trait much more prevalent.
Evolution doesn't always mean something was added. It's all about adaptation to the environment. Doesn't matter if an animal loses hair because it's warmer or an animal loses it's tusks because those have been hunted to extinction. Both adapted.
Scientists Find Chickens Retain Ancient Ability to Grow Teeth - ABC News
When Harris and his colleagues "turned on" the talpid2 gene in the oral cavity of a normal chicken embryo, they found that the mutation caused the tissues in the embryo's jaw to initiate the formation of teeth, very much like those belonging to the bird's ancestors.
What makes this experiment unique is the fact that, unlike earlier experiments, it involved no grafting or tissue transplants from a mutant chicken.
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Scientists have learned so much about "evolution", they are able to "turn on" and "turn off" genes still with the animal after millions of years of evolution.
For instance, there is no reason a "magical gawd" would give chickens the genes to grow "teeth". Yet there they are. Scientists have turned them on and "Wallah", chicken with "teeth".
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"There are so many examples of such atavistic traits -- snakes with vestigial limbs, horses with three toes, even human beings who have hair growing all over their body and face," he said. "As far as I am concerned, this experiment vindicates the theory of evolution as it exposes the evolutionary history of birds. Supporters of intelligent design will have to scramble to explain this one!"
Yes, it is. It's the survival of the fittest. That is the foundation of natural selection, one of the processes that drive evolution.Nope
As the bigger tusk elephants have been hunted.
The smaller tusk elephants had more chance of survival.
Thus the gene pool tended to be skewed towards smaller and smaller tusked animals.
This is not in any way evolution.
It is not survival of the fittest, it is simply survival. Elephants with tusks are actually better adapted to survive in the wild because
They skewed nothing any more or less than any other effective predator.Ivory hunters skewed
I love parody sites!
They're so funny!
Well, sometimes.
Yes, it is. It's the survival of the fittest. That is the foundation of natural selection, one of the processes that drive evolution.
It is not survival of the fittest, it is simply survival. Elephants with tusks are actually better adapted to survive in the wild because
No, they're not.
Those with shorter tusks are better suited to avoid the predators they face now and survive.
They skewed nothing any more or less than any other effective predator.Ivory hunters skewed
It is not survival of the fittest, it is simply survival. Elephants with tusks are actually better adapted to survive in the wild because
No, they're not.
Those with shorter tusks are better suited to avoid the predators they face now and survive.
They skewed nothing any more or less than any other effective predator.Ivory hunters skewed
And, when there are no more elephants with tusks, they will all die because they cannot survive a drought. Just because you do not understand how evolution works does not mean everyone else is equally ignorant.
Natural selection, or unnatural selection in this case, is not survival of the fittest in the way you are trying to use it.
Survival of the fittest - Wikipedia, the free encyclopedia
Educate yourself and then come back and pretend like you agreed with me all along.