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Related to biological fitness: Darwinian fitness
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Renewed interest in the biological fitness, survivability and superior flavor of the Black turkey has created a growing market niche.
There's something creepily authoritarian and insulting about reducing marriage to procreation, as if intimacy mattered less than biological fitness.
Turkeys have been placed on eight farms across the country where participants will document the production, performance, and biological fitness of both the Bourbon Red and the British United Turkey Association (BUTA) Medium White turkeys in range-based systems.