What is an invertebrate chordate?
a. A chordate that has lost its gill slits
b. A chordate with an underdeveloped dorsal nerve system
c. A chordate that has lost its notochord
d. A chordate that evolved to become an invertebrate
ANS: C
Invertebrate chordates lose their notochords at some point in their development. Only 5% of chordates
are invertebrate. Information can be found in the section Construction of Complex Chordate Bodies
Begins on a Stiffening Scaffold
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