This is survival of the fittest

from Eminem (Ft. Liz Rodrigues) – Survival Lyrics on Rap Genius

Meaning

Reference to Charles Darwins' idea of survival of the fittest, an extension of natural selection.

Matches very well with the animal references later in verse one, even more with the ruffling feathers line.

Could also refer to Mobb Deep track “Survival of the Fittest

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