Author Question: A new species of aquatic chordate is discovered that closely resembles an ancien (Read 841 times)

federox

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A new species of aquatic chordate is discovered that closely resembles an ancient form. It has the following characteristics: external armor of bony plates, no paired lateral fins, and a suspension-feeding mode of nutrition. In addition to these, it will probably have which of the following characteristics?
A) legs
B) no jaws
C) an amniotic egg
D) endothermy



theo

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