Green bottle flies are helpful to both people and plants. The flies spread pollen so the plants can grow. For example, they often pollinate the flowers of onions and cabbages. Green bottle flies are also important decomposers. In fact, doctors use their larvae to clean infections. The larvae only eat dead skin. This keeps wounds clean. People can heal faster with the help of fly larvae.
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Have you seen flies before? Where would you expect to find them?
Have you read books about other insects? What do they have in common with flies? How are they different?
Flies can be both helpful and harmful. What might be different if flies were not around?
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