yes
yes
no they are stupid insects like you are.
They live in madagascar, they hiss, and their cockroaches
they have exoskeleton
Yes; many cnidarians have an exoskeleton.
spiders Cockaroaches
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.
They are not bad in themselves. What make them bad for your health are the bacteria that they carry with them. Some of them can make you very sick.