Refer to the Figure Below, and Then Answer the Following

question 42

Multiple Choice

Refer to the figure below, and then answer the following question(s) .

-The graph indicated by a "2" demonstrates which principle of community ecology?

• A)biodiversity
• B)ecological dominants
• C)facilitation
• D)resource partitioning
• E)competitive exclusion

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Definitions:

Alzheimer's Disease

A progressive neurological disorder characterized by memory loss, cognitive decline, and behavioral changes, resulting from neuronal damage and brain atrophy.

Acetylcholine

A neurotransmitter in both the central and peripheral nervous systems that plays an important role in muscle contraction and sensory processing.

Excitatory Neurotransmitter

A type of neurotransmitter that promotes the generation of an electrical signal called an action potential in receiving neurons.

Glutamate

An amino acid that functions as the major excitatory neurotransmitter in the vertebrate brain