What replaces the notochord in most vertebrates?
A)nothing
B)the dorsal nerve cord
C)a solid rod of calcium
D)thickened skin
E)vertebrae

Name: What replaces the notochord in most vertebrates? A)nothing B)the dorsal nerve cord C)a solid rod of calcium D)thickened skin E)vertebrae
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Quizplus · Accepted Answer

In most vertebrates, the notochord is replaced by a series of vertebrae that form the spinal column. This provides increased support and protection for the dorsal nerve cord.

What Replaces the Notochord in Most Vertebrates