Multiple choice

Which of the following organisms possesses stinging cells (nematocysts)?

  1. Sycon

  2. Euplectella

  3. Ascaris

  4. Metridium

  5. Crabs

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

Metridium, an anthozoan cnidarian, contain nematocysts (stinging cells) called cnidoblasts.