It's 100% not B.... but other than that the organism must be provided. protozoans use flagellum (whip-like structure), amoeba use pseudopods (false feet), and cilia (hair-like structure) are used for eukaryotic cells.
I think that the answer is A.) prey
Answer: B) ferns
Algae, liverworts and moss are examples of plants with no
real stems, leaves or roots and are also known as nonvascular plants. Plants
with true roots are known as vascular plants. Vascular plants have real roots, stems and leaves and contain vascular tissues.