Since it's an invertebrate I should say yes.
yes
Yes
exoskeleton.
No they have no skeleton or exoskeloton
yes spiders do
Spiders have an exoskeloton.
Carapace
they have a hard external shell called an exoskeloton that protects their skin.
An Exoskeleton. They don't have an exoskeleton. Those spines are an addition, not armor.
An Exoskeleton. They don't have an exoskeleton. Those spines are an addition, not armor.
a Halloween crab is a crab in a costume a Halloween crab is a crab in a costume
yes.