Exoskeletons, made of chitin, do not grow and must be shed, offering protection and enabling quick movement.
An exoskeleton, typically made of chitin, does not grow with the animal and must be shed; it provides protection and aids rapid movement, seen in arthropods and some mollusks.
| Front | Exoskeleton |
|---|---|
| Back | - made of chitin - doesn't grow with animal, must be shed - protects and helps org travel quickly ex) arthropods: crab, grasshopper - some mollusks secrete shells |
Tags: arthropods, chapter_14
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