'An exoskeleton: Is necessary for terrestrial life Is common in Phylum Echinodermata Is always made of chitin Requires that the animal shed its skeleton numerous times grows Allows animals to grow to very large sizes'
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Step 1: An exoskeleton is not always necessary for terrestrial life as there are many terrestrial animals that do not have an exoskeleton. Show more…
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One of the defining features of arthropods is a tough exoskeleton. In your own words, discuss the pros and cons (at least one of each) of having an exoskeleton that must periodically be shed
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