Which of the following is not associated to exoskeleton of arthropods?
Correct answer: B. Secreted by endodermis
- A. Non-living
- B. Secreted by endodermis
- C. Acellular
- D. Polysaccharide in nature
Explanation
The exoskeleton is secreted by a layer of cells called the epidermis, which is located beneath the existing exoskeleton. As the arthropod grows, it molts or sheds its old exoskeleton in a process called ecdysis and secretes a new, larger exoskeleton to accommodate its increased size.
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