17. Birds build their nests on trees, but the tree is not affected at all. This relationship is called A. Commensalism B. Mutualism C. Parasitism D. Predation,
Explanation:A commensal relationship occurs when one species benefits from the close, prolonged interaction, while the other neither benefits nor is harmed. Birds nesting in trees provide an example of a commensal relationship (Figure 1). The tree is not harmed by the presence of the nest among its branches.
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Answer:
Commensalism.
Explanation:A commensal relationship occurs when one species benefits from the close, prolonged interaction, while the other neither benefits nor is harmed. Birds nesting in trees provide an example of a commensal relationship (Figure 1). The tree is not harmed by the presence of the nest among its branches.
Answer:
A.commensalism
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