All of the Following Are Evolutionary Trends in the Development

question 2

Multiple Choice

All of the following are evolutionary trends in the development of nervous systems for bilaterally symmetrical animals except:

• A) an increased number of neurons.
• B) concentration of neurons.
• C) specialization of function.
• D) simplistic synaptic contacts allowing integration.
• E) cephalization.

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Definitions:

Outermost Layer

The external surface or coating of an object or body.

Epicardium

The outermost layer of the heart's wall, playing a crucial role in providing a protective layer and contributing to the heart's lubricative outer covering.

SA Node

The sinoatrial node, a group of cells in the heart that regulates the heart's rhythm by generating electrical impulses.

Cardiac Conduction

The process by which electrical impulses are generated and transmitted throughout the heart muscle, leading to heart contraction and blood circulation.