An Ecosystem Contains

question 31

Multiple Choice

An ecosystem contains

• A) only the biotic components of the local environment.
• B) only the abiotic components of the local environment.
• C) only the energy flow components of an local environment.
• D) both the biotic and the abiotic components of the local environment.
• E) only the food relationships found in the local environment.

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Definitions:

Glosspharyngeal

A cranial nerve that supplies motor fibers to the pharynx and tongue, and sensory fibers to the tonsils, pharynx, and middle ear, playing a key role in swallowing and taste.

Oculomotor

Pertaining to the third cranial nerve that controls most of the eye's movements, the constriction of the pupil, and maintains an open eyelid.

Trochlear

Pertaining to the fourth cranial nerve that innervates the superior oblique muscle of the eye, allowing for movement.

Reflex Arc

The neural pathway that controls a reflex action, including at least one sensory neuron and one motor neuron, creating an automatic response to a stimulus.