Brown-headed cowbirds lay their eggs in the nests of other species of songbirds, relying upon the other species to raise their chicks. Many of these species unknowingly raise the cowbird chicks at the cost of their own reproductive success

The relationship between cowbirds and these other species of birds most closely matches which one of the following relationships?
A) Parasitism B) Commensalism
C) Mutualism D) Intraspecific competition


A

Environmental & Atmospheric Sciences

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