Which layer of the vertebrate gut shows adaptations for increasing absorptive surface area?
A) Lumen
B) Mucosa
C) Longitudinal muscle layer
D) Circular muscle layer
E) Nerve net

Question

Quizplus · Accepted Answer

The mucosa layer of the gut is made up of folds, villi, and microvilli, which increase the surface area available for nutrient absorption. This is an adaptation to maximize the efficiency of the digestive system.

Which Layer of the Vertebrate Gut Shows Adaptations for Increasing