Yes. All mammals do.
All mammals have an internal skeleton
Internal Skeleton
Yes it is.
internal skeleton
endo-skeleton
any mammal has an internal skeleton but bugs have an exoskeleton
Internal.
A cheetah has an endoskeleton, which is an internal skeleton.
Mountain lions are mammals and, like all mammals, they are vertebrates because they have a spine and spinal cord, and an internal skeleton. They belong to the Phylum Chordata. Mammals, birds, fish, reptiles and amphibians are all vertebrates.
internal
The defining characteristic of a Vertebrate is an internal skeleton. Orangutans have an internal skeleton so they are vertebrates.
All mammals, birds, reptiles, amphibians, and fish (but not all fish) have internal skeleton.