Which Pair of Structures, Found in Different Organisms, Both Serve

question 53

Multiple Choice

Which pair of structures, found in different organisms, both serve to increase the absorptive surfaces of the intestines?

• A) choanocytes and gastric ceca
• B) proventriculus and villi
• C) choanocytes and proventriculus
• D) typhlosoles and villi

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Definitions:

Deep

Positioned far away from the surface of the body or from the point of reference.

Negative Feedback

A control system where a trigger leads to a contrary outcome to keep a regulated factor at its optimal state.

Body Temperature

The measure of the body's ability to generate and get rid of heat, vital for maintaining metabolic processes.