Multiple choice

Tiedemann's bodies are found in

  1. sponges

  2. hydra

  3. asterias

  4. hirudinaria

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

Tiedemann's bodies are peculiar structures found in the coelomic fluid of starfish (Asterias), part of the echinoderm group. Sponges have choanocytes, hydra has cnidocytes, and hirudinaria (leech) has different specialized cells.