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Question
The dentition of higher organisms corresponds to which of the following structure of cockroaches?
The dentition of higher organisms corresponds to which of the following structure of cockroaches?
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Solution
The correct option is B Mandibles
In cockroach the labrum is upper lip, and moves longitudinally. The mandibles (corresponding to jaws) are a highly sclerotized pair of structures that move at right angles to the body, used for biting, chewing, and severing food. The labium is lower lip. Hypopharynx is the tongue.
In cockroach the labrum is upper lip, and moves longitudinally. The mandibles (corresponding to jaws) are a highly sclerotized pair of structures that move at right angles to the body, used for biting, chewing, and severing food. The labium is lower lip. Hypopharynx is the tongue.
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