Monomeric G proteins are evolutionarily ancient, as evidenced by their widespread functions examples include: 

eIF2

EF1α and EF2

Ran

Sar

Rab

Rho, Rac, and Cdc42

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#XL - T Zoology

In budding yeast CKI p27 = Sic1 in metazoans

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Innate immunity is the most ancient form of defense, found in all multicellular plants and animals.

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r, is affected by organismal size and generation time.

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Natural selection was Darwin’s brilliant hypothesis, that accounts for adaptations, features that appear “designed” to fit organisms to their environment.

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Bateman’s principle

In most cases, it is the male’s secondary sexual traits that are exaggerated.

This shows that sexual selection is more common and intense on males than females