The Distinction Between Endognathous and Ectognathous Insects Is a Distinction

question 52

Multiple Choice

The distinction between endognathous and ectognathous insects is a distinction between

• A)diplurans,springtails,and proturans versus the rest of the insect orders.
• B)holding the mandibles and maxillae internally in a pouch versus having external mouthparts.
• C)adaptation for feeding on very small particles versus a wider ability to feed on larger food.
• D)All of the choices are correct.
• E)None of the choices is correct.

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Definitions:

Amine

An organic compound derived from ammonia (NH3) by replacement of one or more hydrogen atoms by alkyl or aryl groups.

Sodium Methoxide

A chemical compound used as a strong base in organic synthesis, often for the deprotonation of weak acids.

Chloropyridine

Refers to pyridine molecules substituted with one or more chlorine atoms, used as intermediates in the synthesis of pesticides and drugs.

Pyridine

An aromatic heterocyclic compound with the formula C5H5N, featuring a ring structure similar to benzene but with one CH group replaced by a nitrogen atom.