The osmoregulatory organs of turbellarians are called

Question

Quizplus · Accepted Answer

Turbellarians typically have protonephridia as their osmoregulatory organs, which consist of a network of tubules and flame cells. Choice A is incorrect because contractile vacuoles are found in some unicellular organisms and some small aquatic animals, but not in turbellarians. Choice B is incorrect because kidneys are found in more complex organisms such as vertebrates, but not in turbellarians. Choice C is incorrect because metanephridia are found in some segmented worms, but not in turbellarians. Choice D is incorrect because mesonephridia are also found in some segmented worms, but not in turbellarians.

The Osmoregulatory Organs of Turbellarians Are Called