Although Most Herbivory Involves an Antagonistic Interaction (I

question 97

Multiple Choice

Although most herbivory involves an antagonistic interaction (i.e. ,one species benefits,the other is harmed) ,some herbivorous interactions do not.Which example is least likely to be an antagonistic interaction?

• A) Aphids pierce stems and consume plant sap,but they do not damage other plant parts.
• B) Nematodes feed on the starches in plant roots;the roots live but their growth is slowed.
• C) Bears eat blueberries;then they defecate the blueberry seeds throughout the forest,and the seeds germinate.
• D) Gypsy moth caterpillars feed on the leaves of oak and aspen,defoliating and stressing the trees.
• E) Leaf miner insects feed on sugars in leaf cells without killing the leaves.

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