You are confusing exo with exer. Exo means outside.
Butterflies do not have bones. Instead, they have an exoskeleton made of chitin. This exoskeleton provides support and protection for their bodies.
no, it has an exoskeleton but not bones like us.
insects shed their exoskeleton, not their bones because they have no bones.
No. Yabbies have an exoskeleton.
woodlises have nope bones but a super-sensitive exoskeleton
Butterflies do not have bones.
No, tarantulas do not have bones. They, like all arthropods, have an exoskeleton instead.
No beetles have an exoskeleton or external skeleton not an internal skeleton (bones).
No - it has no bones inside its body. No insect has bones or an internal skeleton. most insects and other invertebrates (meaning they have no backbone) have an exoskeleton - a hard shell on the outside of its body that protects it's soft, internal organs.
No, they do not have a backbone, they have an exoskeleton.
No. Grasshoppers like all insects have an exoskeleton.
Molluscs are animals which have no backbone (invertebrates) and no exoskeleton. These include snails (they have an outer shell but it isn't an exoskeleton) slugs (no shell, no exoskeleton, no bones) octopuses (they have no bones. They aren't fish because all fish have bones.) Sea snails and periwinkles are just other types of snail.