Question

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 fins and a suspension feeding mode of nutrition. In addition to these characteristics, it will probably have which of the following characteristics?

• A. Legs
• B. Metamorphosis
• C. An amniotic egg
• D. No jaws

Answer 1

The correct option is D No jaws

Aquatic chordates are jawless organisms. They also have hollow nerve cord, post-anal tail and pharyngeal slits.

So, option D is the correct answer.