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Author Question: A new species of aquatic chordate is discovered that closely resembles an ancien (Read 826 times)

federox

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on: Aug 8, 2013
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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Reply #1 on: Aug 10, 2013
Answer has to be B, 100% :D


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