Which Statement About the Features of a Nervous System Is

question 23

Multiple Choice

Which statement about the features of a nervous system is true?

• A) The transmission rate is relatively slow.
• B) Neurotransmitter release takes place throughout the body via the blood.
• C) Neurons form highly discrete lines of communication.
• D) In the PNS, a nerve consists of the axons of five or fewer neurons bundled together.

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Definitions:

Ecological Niches

The role and position a species occupies in its environment, including all interactions with biotic and abiotic factors.

Monophyletic Group

An ancestor in which a derived trait evolved, together with all of its descendants.

Derived Trait

A character that is present in a clade under consideration, but not in any of the clade’s ancestors.

Stabilizing Selection

A type of natural selection that favors intermediate variants by acting against extreme phenotypes, leading to a decrease in a population's genetic variance.