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No, koalas are mammals, so have an internal skeleton.
Endoskeleton. (inside bones) Birds, reptiles, fish, amphibians and mammals have endoskeletons although there is the odd exception to the rule which has both. However no mammals have true exoskeletons.
Neither, they have really pointy spines! Answer: The pointy spines are adaptations of their skin. Hedgehogs have a skeleton that is on the inside - therefore they have endoskeletons.
Endoskeleton, it is a mammal, and no mammals have exoskeletons. You'll find that most animals in the insects and arachnids section of the animal groups, do however. the exoskeletons on insect are often mistaken for a "shell" of the animal.
Endoskeleton
Endoskeleton - their bones are inside their body
It is a true exoskeleton. It supports the internal organs of the insect. Insects have no endoskeleton within their bodies.
Arctic foxes are mammals and have internal skeletons (endoskeleton).
The bat is the only mammal that has 'true' flight. All other 'flying' mammals are gliders.
No, pouched mammals do not have placenta.
A true endoskeleton is derived from mesodermal tissue.
endoskeleton