The major use of the exoskeleton in arthropods is for protection and serves as a barrier against dessication.
Other functions would be:
- excretion
- sensing
- support
- feeding
- defense from pests and predators
- support and in providing an attachment framework for musculature
The exoskeleton is multilayered with the following layers:
- epicuticle - acts against dessication, it is wax covered
- procuticle - provides the strength for the exoskeleton
- epidermis
- basement membrane
Exoskeleton are made of or does contain chitin with the addition of calcium carbonate which really makes them harder and stronger. Sometimes, the exoskeleton puts limit to their growth. They also shed when outgrown.
To know more of this, you may read:
- definition of exoskeleton https://brainly.ph/question/222543
- function of exoskleton https://brainly.ph/question/533064 https://brainly.ph/question/288755
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