You will hear part of a podcast by a biologist, called Dr Larry Clark, on the subject of butterflies. Listen to the audio and complete the sentences with a word or short phrase.
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Larry explains that butterflies are less effective than 1 at pollinating plants.
Larry has done research into plants that have a strong 2 and how they attract butterflies.
Larry points out that butterflies are a vital link in the 3, both as a prey and predators.
Butterflies can be a good form of 4, which means they can be a benefit to farmers.
Butterflies are known by scientists to be good indicators of 5
A type of butterfly called the Checkerspot now populates areas at 6 than in the past.
Butterflies can attract 7 to an area and boost the local economy.
The European Meadow Brown butterfly produces a natural 8 which may be of use to humans.