For the Majority of the GI Tract, Which Layer(s)of the Wall

question 81

Multiple Choice

For the majority of the GI tract, which layer(s) of the wall contains smooth muscle?

• A) muscular layer and serosa
• B) mucosa and adventitia/serosa
• C) adventitia/serosa
• D) mucosa and muscular layer
• E) submucosa and muscular layer

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Definitions:

Adaptive Trait

A genetically inherited characteristic that enhances an organism’s ability to survive and reproduce in its environment.

Phenotypes

The set of observable characteristics or traits of an organism resulting from the interaction of its genotype with the environment.

Conservation Biology

A field of science dedicated to understanding and preserving Earth's biodiversity and the habitats of various species through conservation practices.

Ecosystems

Systems comprising both the living organisms and the non-living environment, interacting as a unit.