Insects do not have bones, that is why some insects have exoskeletons.An insect doesn't have a backbone because it is not a vertebrate; it doesn't have an internal skeleton. Insects have an exoskeleton - the tough exterior of an insect is the 'skeleton'.
All mammals have an internal skeleton
endo-skeleton
Internal Skeleton
Yes it is.
internal skeleton
Internal.
internal
any mammal has an internal skeleton but bugs have an exoskeleton
The skeleton is inside your body
A cheetah has an endoskeleton, which is an internal skeleton.
internal