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Question
Which of the following characters is found only in Arthropoda?
Which of the following characters is found only in Arthropoda?
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Solution
The correct option is B Chitinous exoskeleton
A unique character found only in the Arthropods is a chitinous exoskeleton. Arthropods e.g., insects, crabs, lobsters etc. are covered with a tough, resilient integument or exoskeleton of chitin. Generally, the exoskeleton will have thickened areas in which the chitin is reinforced or stiffened by materials such as minerals or hardened proteins. This happens in parts of the body where there is a need for rigidity or elasticity.
A unique character found only in the Arthropods is a chitinous exoskeleton. Arthropods e.g., insects, crabs, lobsters etc. are covered with a tough, resilient integument or exoskeleton of chitin. Generally, the exoskeleton will have thickened areas in which the chitin is reinforced or stiffened by materials such as minerals or hardened proteins. This happens in parts of the body where there is a need for rigidity or elasticity.
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