yes it does all insects, to the extent of my knowledge, have an extoskeleton which they molt after a certain period of time
yesYes, a butterfly has an exoskeleton.
Caterpillars are butterfly larvae which means they don't have an exoskeleton yet.
It is the anatomical part of some animals that do not have an internal skeleton to give the animal solidity (like the bones in mammals do). An exoskeleton can be in the form of a tough inflexible...
endo I believe
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