Which of the Following Characteristics of Their Exoskeletons Is Exhibited

question 57

Multiple Choice

Which of the following characteristics of their exoskeletons is exhibited by both arthropods and molluscs?

• A) they completely replace the hydrostatic skeleton
• B) they are secreted by the mantle
• C) they help retain moisture in terrestrial habitats
• D) they are comprised of the polysaccharide chitin

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