It helps mosquitoes find food. It helps mosquitoes find mates. It helps mosquitoes find clean air. It helps mosquitoes find shelter.
I gave my students this multiple choice question: Mosquitoes have adapted to detect carbon dioxide using certain sensory nerves. Mosquitoes instinctually move toward greater concentrations of carbon dioxide. What is the importance of this adaptation?

Only one answer is correct among these 4 choices:
- It helps mosquitoes find food.
- It helps mosquitoes find mates.
- It helps mosquitoes find clean air.
- It helps mosquitoes find shelter.

Could you tell me which one is correct?

It helps mosquitoes find food.