In vertebrates, the dorsal nerve cord evolved into a brain and spinal cord, which together constitute which of the following?

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


Answer: A

Biology & Microbiology

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A gill is indicated by letter

a. A. b. B. c. C. d. D. e. E.

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What is suggested by the hypothesis of punctuated equilibrium?

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Explain the relationship between ozone depletion and rising incidence of skin cancer.

What will be an ideal response?

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