Natural Selection Tends to Correlate the Structures of a Nervous

question 49

Multiple Choice

Natural selection tends to correlate the structures of a nervous system with an animal's interaction with the environment. A good example is sessile or slow-moving molluscs such as clams, which

• A)have little or no cephalization and simple sense organs.
• B)use chemical synapses to process complex information.
• C)have a well-developed brain that functions as a master control center.
• D)use their circulatory system as a mechanism for distributing nerve impulses.

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Definitions:

Blushing

The involuntary reddening of a person's face due to emotional responses such as embarrassment or shy.

Cognitive Learning

The acquisition of mental information, whether by observing events, by watching others, or through language.

Classical Conditioning

A learning method characterized by repeatedly associating two stimuli; over time, the response once elicited by the second stimulus is induced by the first stimulus solely.

Observing Events

The act of attentively watching occurrences or phenomena, often for the purpose of gathering data or understanding something better.