The Sphincter That Allows Chyme to Pass into the Small

question 34

Multiple Choice

The sphincter that allows chyme to pass into the small intestine is known as the ________.

• A)lower esophageal sphincter
• B)sphincter of Oddi
• C)pyloric sphincter
• D)ileocecal sphincter

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Definitions:

Ecological Niche

A specific role or position that an organism occupies within an ecosystem, including all its interactions with the biotic and abiotic components.

Realized Niche

The actual conditions and resources in which a species exists due to constraints from other species, such as competition, predation, and availability of resources.

Gleason's Individualistic Model

A concept in ecology suggesting that plant communities are loose assemblages of species coexisting primarily due to similar abiotic requirements rather than biotic interactions.

Community Structure

The organization, composition, and arrangement of species within an ecological community, including their relationships and interactions.