Yes
exoskeleton.
No they have no skeleton or exoskeloton
yes
yes spiders do
Spiders have an exoskeloton.
Since it's an invertebrate I should say yes.
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.
exoskeleton refers to a layer mostly composed of kerocyne in the outside of an animal and endo mostly refers to a bone structure. Tigers have endoskeletons Tigers are vertebrates and have an endoskeleton, just like all mammals.