Multiple choice

Which of the following is not a feature of Vertebrates?

  1. Presence of notochord

  2. Presence of gill slits or lungs for respiration

  3. Presence of water vascular system

  4. Presence of bilaterally symmetrical body.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The water vascular system is characteristic of echinoderms (starfish, sea urchins), not vertebrates. Vertebrates have notochord (embryonically), gill slits or lungs, and bilateral symmetry.

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