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evolution of chickens
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I cant compete with all the bigger animals. 
I wish I had better genes some was big a strong. 
its my food and land 
hey, it's so nice here and there is plenty of food.
fine, you old fart. 
get out of here you will bring the other meet eaters. 
wow there's so much food but how do I catch them
now that I have evolved I can thrive and start my own species.
are we changing because of genetic drift or natural selection. 
we are changing because of natural selection. 
now that we have a  population we can continue to adapt to get new traits.
how long will I under have mutations and variations?
you will for the rest of your life because your alleles change forever, from adaptive radiation. 
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