In early ancestors of the modern giraffe,longer necks allowed animals to reach higher tree branches as food.This would lead to ________ in the ancestral giraffe population.

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Longer necks provide a selective advantage as they allow for access to higher tree branches as a food source. Therefore, individuals with longer necks are more likely to survive to reproductive age and pass on their genes for longer necks to their offspring. This results in a directional shift towards longer necks in the population over time.

In Early Ancestors of the Modern Giraffe,longer Necks Allowed Animals