no but what do they have
Endoskeleton. Only crustaceans, insects and arachnids have exoskeletons.
Endoskeleton is a skeleton within the body
the way they hide from predators- like covering it self with sea grass
An exoskeleton doesn't allow the animal inside to grow without being unprotected temporarily whilst shedding. Also, an endoskeleton provides a greater range of mobility. It also allows animals to grow far larger; that's why ants the size of elephants don't exist.
they have exoskeleton
Yes; many cnidarians have an exoskeleton.
Yes, they , like other echinoderms have mesodermal endoskeletons made up of calcareous ossicles, (bony plates).
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.