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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 6 of 10

Natural Selection

2 min read

Darwin's original branching diagram from On the Origin of Species
Darwin used branching diagrams to show how forms could diverge from common ancestors.

Chapter 6

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