Multiple choice

Which of the following classes exhibit polymorphism?

  1. Hydrozoa

  2. Scyphozoa

  3. Crinoidea

  4. Gastropoda

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

Polymorphism, the existence of different morphological forms (zooids) within a colony, is a characteristic feature of the class Hydrozoa (e.g., Physalia, Obelia).