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Verbal·Information and Ideas·Command of Evidence

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Neighboring species	Target species	Effect value
sticky catchfly	common cow-wheat	0.2379
leafy spurge	purple locoweed	−0.8428
prickly pear	sea heath	−0.4703
Canadian wood betony	mayapple	0.4729

Researchers Carolina Laura Morales and Anna Traveset gathered data about flowering plants growing alongside each other in various locations. In each case, the researchers identified one plant as a “target species” and a nearby plant as a “neighboring species.” The researchers then calculated a value to show how the neighboring species affected pollinator visits to the target species. A negative effect value indicates that the neighboring species had a harmful effect on the target species. Based on the table, two neighboring species that had a harmful effect on target species are the

Which choice most effectively uses data from the table to complete the statement?

A

prickly pear and the Canadian wood betony.

B

leafy spurge and the prickly pear.

C

leafy spurge and the sticky catchfly.

D

Canadian wood betony and the sticky catchfly.