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- Edgar Allan Poe

_How often we forget all time, when lone

Admiring Nature's universal throne;

Her woods--her wilds--her mountains--the intense

Reply of Hers to Our intelligence!_

...

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adjective

Portending evil; ominous.

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Chapter 4 of 10

Variation: Nature's Raw Material

2 min read

Darwin's finches with different beak shapes
Different beak shapes can help birds use different foods. Variation gives selection something to work with.

Chapter 4

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