You are presented with the question "What organism's instruments of flight are part of the exoskeleton and attached to the thorax?" and the following answer choices: 
- insects
 - organs
 - barnacles
 - butterflies
 - to move people
 - honeybees
 - it needs them
 - Electric devices

Now knowing that wings are part of the exoskeleton and attached to the thorax and butterflies bask to heat up their wing muscles for flight, choose the best answer.


 

    butterflies     