1098BiologyMedium
Hydra has no specialized excretory system because:
AIt has pseudocoelom.
BIt does not produce waste material
CDue to absence of mesoderm
DThe whole body cells are in contact with water
Correct answer
D. The whole body cells are in contact with water
Explanation
The whole body cells are in contact with water is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.