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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About Kingdom Animalia
Animals are multicellular, heterotrophic eukaryotes whose cells lack cell walls and chloroplasts, with specialised tissues in most groups. Coverage includes body symmetry, tissue layers, coelom, segmentation and levels of organisation, plus major phyla such as Porifera, Cnidaria, Platyhelminthes, Annelida, Arthropoda, Mollusca and Chordata.
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