Yep. That means their bones are on the inside, like yours. A lobster has an external- or exo-skeleton. Hard outer shell, no bones inside.
Yes Siberian tigers are vertebrates, as they have a back bone, and an internal skeleton.
No, all tigers are vertebrates, as are all mammals. They have a vertebral column, a backbone, and an internal skeleton which are main characteristics of vertebrates.
All mammals have an internal skeleton
endo-skeleton
Internal Skeleton
internal skeleton
Yes it is.
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.