The Distinction Between Endognathous and Ectognathous Insects Is a Distinction

question 27

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 are correct.

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Definitions:

Neural Pathway

Networks of neurons transmitting signals from one part of the brain or spinal cord to another, coordinating body functions.

Skeletal Muscles

Voluntary, striated muscles that are attached to bones by tendons and facilitate movement.

Reflexes

Involuntary and nearly instantaneous movements in response to a stimulus, serving as a protective mechanism for the body.

Somatic

Relating to the body, particularly the external parts and not the reproductive organs, often in contrast to psychological or mental aspects.