Multiple choice Which one of the following is an example of eumetazoans? Dictyostelium Hydra Sponges Volvox Reveal answer Fill a bubble to check yourself B Correct answer Explanation Eumetazoans are multicellular animals with true tissues, which distinguishes them from parazoans like sponges. Hydra belongs to the phylum Cnidaria, making it a classic example of an eumetazoan.