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The Selfish Gene and The Evolution of Cooperation - Online.itp.ucsb ...

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Consisted <strong>of</strong> stable varieties <strong>of</strong> replicator<br />

molecules.<br />

◦ Were they “alive”?<br />

◦ What does that mean?<br />

<strong>The</strong>y “competed” for survival via natural<br />

selection.<br />

Almost certainly there were predator replicators<br />

So some built enclosures (cell walls) to protect<br />

themselves

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