Information and IdeasEasy–MediumEvidence that unmown margins helped butterflies
Information and Ideas practice question
A farmer claims that leaving the edges of her fields unmown has increased the number of butterflies on the farm.
Which finding, if true, would most directly support the claim?
- A. Butterfly counts along the same route rose from 40 to 130 per walk in the two years after mowing stopped, while counts on a neighbouring farm that still mows were unchanged.Correct
- B. Butterflies are attracted to wild flowers.
- C. The farm has twelve fields.
- D. The farmer stopped mowing in 2022.
Answer: A. Butterfly counts along the same route rose from 40 to 130 per walk in the two years after mowing stopped, while counts on a neighbouring farm that still mows were unchanged.
A rise here, none next door.
Why the other answers are wrong
- B. Butterflies are attracted to wild flowers.
- A general fact, no counts.
- C. The farm has twelve fields.
- Size says nothing.
- D. The farmer stopped mowing in 2022.
- A date, no counts.
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