Which of the following trends in evolution of the nervous system refers to the formation of a distinct head that has a large concentration of neurons?

A. Cephalization
B. Ganglion
C. Brain
D. Peripheral nervous system
E. Central nervous system


Answer: A

Biology & Microbiology

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A. 1 million years ago. B. 6000 years ago. C. 4.5 billion years ago. D. 8 billion years ago. E. 3.5 billion years ago.

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