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The arthropods exoskeleton is composed ofA. several kinds of polysaccharidesB. layers of proteins and a polysaccharide called chitinC. several kind of proteinsD. single complex protein called arthropodin

Answer» Correct Answer - B
Arthropods are the most successful group of animals . Their success is due to unique chitinous cuticle . Exoskeleton is light weight , tough and composed of structural polysaccharide chitin . It is strengthened with proteins and calcium carbonate occuring on the outside . it usually occurs in the forms of plate called sclerites .


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