Multiple choice

The vertebrae in fishes are

  1. Procoelous

  2. Homocelous

  3. Amphicoelous

  4. Heterocelous

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Fish vertebrae are amphicoelous, meaning they are concave on both anterior and posterior surfaces with a persistent notochord in the concavity. This is a characteristic feature of fish vertebrae, differentiating them from other vertebrate types.