In the animal kingdom, cephalization is:
A) development of a body that has paired structures forming a side-to-side mirror image.
B) concentration of sensory structures in the head.
C) the ability to respond rapidly to external stimuli.
D) evolutionary development of a netlike system of veins.
E) development of eyes at the anterior end of the organism.
Correct Answer:
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A)endoderm.
B)mesoderm.
C)ectoderm.
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A) no
B)
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