Question

very little is known about the role nocturnal insects, such as moths, play in flower pollination because it is difficult to monitor insects at night. to address this problem, a team of scientists used time - lapse cameras to record pollinator visits to red clover all day and night. the recordings showed that while most pollinator visits were by bumblebees, one - third of visits were by moths. additionally, flowers that were visited by both moths and bees produced more seeds than flowers that were only visited by bees.
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which choice best states the function of the underlined sentence?
a to describe an approach a team of scientists used to study pollinators
b to question a claim scientists make about pollinators
c to explain why moths prefer red clover to other flowers
d to announce an unexpected research finding about red clover

Explanation:

The underlined sentence introduces the method (time-lapse cameras) that scientists used to study pollination of red clover, addressing the challenge of monitoring nocturnal pollinators. Option A matches this function, while other options are incorrect: the sentence does not question a claim, explain moth flower preferences, or announce a research finding.

Answer:

A. To describe an approach a team of scientists used to study pollinators