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Antibiosis in soil describes

  • A.Competition for the same nutrient
  • B.One organism inhibiting another by producing a chemical
  • C.Two organisms that both benefit from a close association
  • D.One organism consuming another whole

Answer: B

Antibiosis is specifically chemical inhibition, the phenomenon that made soil actinomycetes the source of so many antibiotics. Mutual benefit is symbiosis, engulfing prey is predation, and competing for a shared resource is competition.

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