Science Natural Selection Project
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Natural Selection of Chickens
Step 1: Overproduction of Offspring
Step 2: Variation
Chickens are one of the best real examples of natural selection.
Step 3: Selection of Advantageous Trait
The original chickens, red jungle fowl, survived easily in the jungle because they blended with everything else. In the beginning though, there were white chickens there, too.
Step 4: Adaptation
The white chickens died quickly because they were easy to spot among the brush.
From then on the red jungle fowl produced red chickens, but the jungle had too many predators for them to survive sufficiently.
So the chickens behaviorally adapted and migrated to more wooded areas with less jungle.
And that is how you have your normal farm chicken.
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