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The theory that all life is related; present day species differ from ancestral species.

Therefore an example can be back then there were two types of Humming Birds; those with long beaks, and those with short.

The humming birds with short beaks dyed off because the couldn't reach the nectar from the flowers.

Those who had long beaks survived, since they could get the nectar from the flowers.

That's why Today's Humming Birds had Long Beaks .

(Evaluation and Adaption)

- Hope this Helps You :D

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Jayda Quigley

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3y ago

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