At Some Point During Development, All Members of the ____

question 43

Multiple Choice

At some point during development, all members of the ____ phylum have a hollow dorsal nerve cord, a perforated pharynx, a notochord, and segmented muscles in both the body wall and postanal tail.

• A) Hemichordata
• B) Echinodermata
• C) Cnidaria
• D) Arthropoda
• E) Chordata

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