The dorsal hollow nerve cord is which of the following? Question 25 options: a) A hollow tube that develops from ectoderm. Develops into the central nervous system. b) An elongation of the posterior portion of the body. Use for locomotion in fish, or balance in some terrestrial vertebrates. c) A tissue that produces thyroid type hormones. d) A flexible, rod-shaped structure that grows from mesoderm. Gives support to an animal in embryonic development of chordates or for entire life depending on the species. e) An opening in the pharynx. In aquatic chordates they allow for exit of water that enters the mouth.

The dorsal nerve cord is a unique ganglia embryonic trait. It is a hollow dorsal cord made up of a…

Answered: The dorsal hollow nerve cord is which…

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter32: Deuterostomes: Vertebrates And Their Closest Relatives

Section32.2: Overview Of The Phylum Chordata

Problem 1SB: On a field trip to a lake, a college student captures a worm-shaped animal with segmented body wall...

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The dorsal hollow nerve cord is which of the following?

Question 25 options:

a)	A hollow tube that develops from ectoderm. Develops into the central nervous system.

b)	An elongation of the posterior portion of the body. Use for locomotion in fish, or balance in some terrestrial vertebrates.

c)	A tissue that produces thyroid type hormones.

d)	A flexible, rod-shaped structure that grows from mesoderm. Gives support to an animal in embryonic development of chordates or for entire life depending on the species.

e)	An opening in the pharynx. In aquatic chordates they allow for exit of water that enters the mouth.

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