Chemistry, 13.07.2021 04:30, Rachaeltice8810

Which sentence describes the action of natural selection? An ecosystem contains two types of giraffes, some with short necks and others with long necks. The distribution of this trait is equal among the population. A disease causes low-lying shrubs to die out. The long-necked giraffes can access more food, so they have a better chance of surviving to reproductive age. After several generations, all the giraffes have long necks.

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Which sentence describes the action of natural selection? An ecosystem contains two types of giraff...