Insects can spread diseases. Insects have short life spans. Insects pollinate flowering plants. Insects sometimes eat poisonous plants.
I gave my students this multiple choice question: Which of the following is an example of how insects are beneficial to humans?

Only one answer is correct among these 4 choices:
- Insects can spread diseases.
- Insects have short life spans.
- Insects pollinate flowering plants.
- Insects sometimes eat poisonous plants.

Could you tell me which one is correct?

Insects pollinate flowering plants.