What external changes are visible after the last moult of a cockroach nymph?
Correct answer: A. Both forewings and hindwings develop
- A. Both forewings and hindwings develop
- B. Labium
- C. Mandibles become harder
- D. Anal cerci
Explanation
Cockroaches undergo paurometabolous development. The nymph moults about 67 times to reach the adult form. The next to last nymphal stage has wing pads but only adult cockroaches have wings.
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