Yes. All mammals do.
All mammals have an internal skeleton
Yes it is.
internal skeleton
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
All mammals, birds, reptiles, amphibians, and fish (but not all fish) have internal skeleton.
The defining characteristic of a Vertebrate is an internal skeleton. Orangutans have an internal skeleton so they are vertebrates.