What can have motility?\nOptions:\n- (A) Small things with a microscope\n- (B) gastropod shells\n- (C) members of their own species\n- (D) one celled organisms\n- (E) Something to move\n- (F) mitochondria\n- (G) rocks\n- (H) intestines OK. Let's think hard:
User
Most protists have motility. Protists are one celled organisms. One celled organisms can have motility.
So, the final answer is (D).
Assistant