Ostriches, like all other birds and indeed, like all other vertebrates, have an endoskeleton, meaning an internal skeleton, rather than an exoskeleton or shell. Insects have exoskeletons. Birds don't.
Endoskeleton - their bones are inside their body
they have exoskeleton
Yes; many cnidarians have an exoskeleton.
A butterfly has an exoskeleton. The exoskeleton appears when the caterpillar undergoes the metamorphosis process. It is the pup that dissolves and becomes the exoskeleton.
An exoskeleton.
The Exoskeleton
Exoskeleton is a noun.
No, an angelfish does not have an exoskeleton.
exoskeleton.
Yes, corals are composed of an exoskeleton
exoskeleton
When an insect sheds its outer skin, it's called molting.