Fact 1: Most protists have motility. Fact 2: Protists are single-celled microscopic organisms like amoebae. Given the two facts above, what can have motility?

(1). animals. (2). chloroplasts. (3). insects. (4). blood cells. (5). mitochondria. (6). ducks. (7). humans. (8). an amoebae.
The answer is:
(8).