Wings are part of the exoskeleton and attached to the thorax, and all insects have heads, abdomens, and thoraxes, antennae, six legs, and wings. Given these facts, what have wings that are part of the exoskeleton among the following options:
- animals
 - honeybees
 - barnacles
 - mammals
 - all snakes
 - all spiders
 - all insects
 - all arachnids


 

       all insects  