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
No, an angelfish does not have an exoskeleton.
Exoskeleton is a noun.
Yes, corals are composed of an exoskeleton
exoskeleton
exoskeleton.
When an insect sheds its outer skin, it's called molting.