Cowbirds Lay Their Eggs in the Nests of Smaller Birds

question 80

Multiple Choice

Cowbirds lay their eggs in the nests of smaller birds.The fast-developing cowbird chicks hatch first,and push the other baby chicks out of the nest as they hatch.Which interaction best describes cowbird behavior?

• A) mutualism
• B) parasitism
• C) predation
• D) exploitative competition

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