sticky tongues bright tongues thick tongues short tongues
I gave my students this multiple choice question: Frogs and salamanders compete with each other for insects. Both frogs and salamanders catch flying insects with their tongues. Which feature would most likely help both animals compete for flying insects?

Only one answer is correct among these 4 choices:
- sticky tongues
- bright tongues
- thick tongues
- short tongues

Could you tell me which one is correct?

sticky tongues