DISCUSSION: There are four elements in this questions:
- Thistles: competing with native grasses for space.
- Native grasses: Competing with thistles.
- Bad microorganisms: Attacking native grasses, letting thistles win.
- Good microorganisms: Defends native grasses against bad microorganisms, indirectly stopping thistles.
Good microorganisms indirectly help. In the right answer, Party A is thistles. We need to find an answer that indirectly attacks party A by helping defend a supporter.
If you still find this question confusing, concentrate on the relationships between the four parties above. Thistles and native grasses are competing. The microorganisms directly hurt or help native grasses, and thus indirectly hurt or help thistles.
- This would be like directly attacking organisms that support thistles. But the stimulus doesn’t mention any organisms that help thistles. We’re looking for an answer where the newspaper defends a rival party.
- CORRECT. Party A is thistles. The rival candidates are other plants. The editorials are beneficial microorganisms, and the broadcast journalists are disease microorganisms.
The researchers indirectly stopped thistles by introducing beneficial microorganisms. The beneficial microorganisms defended native grasses against disease microorganisms, which let the grasses outcompete thistles.
Here, the newspaper indirectly attacks party A by defending a rival party from attacks by other journalists. So in both cases, there is only indirect offense.
- Same as A.
- This is like attacking microorganisms that support thistles. The passage doesn’t mention any microorganisms that support thistles.
- This would be like attacking thistles directly.
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