Short answer type questions What are the possible advantages and disadvantages of a chitinous exoskeleton in arthropods?
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Solution
The possible advantages and disadvantages of a chitinous exoskeleton in arthropods include, having a hard covering on the outside in the form of an exoskeleton is a great defense against predators; it helps to support the body and it's like wearing a portable raincoat that keeps the creature from getting wet or drying out. It also protects the animal's soft, inner organs and muscles from injury. Compared to those of us with endoskeletons, it seems like an excellent survival strategy.
It turns out, an exoskeleton on a larger animal would be so heavy that animal would be barely able to move. So, while having an exoskeleton may be decent protection from predators.