During a Zoology practical, a tiny aquatic pseudocoelomate attaches temporarily to surfaces using posterior adhesive structures. Select the most accurate identification.

Correct Answer: C

adhesive tubes

Gastrotrichs are microscopic aquatic animals often bearing adhesive tubes. These structures help them attach to substrate while moving among sediments or plants. This MCQ belongs to the Gastrotricha topic in Animal Diversity-I and is written to test concept understanding rather than memorized wording.