1. Cycas is a _______ plant.   naked-seeded   closed-seeded   2. Wolffia ('least duckweed') is the smallest flowering plant.   True   False   3. _______ is a flowering plant.   Mushroom   Guava   4. Mushroom is a _______.   fungus   fern   5. Bacteria have leaves, stems, and roots.   True   False   6. Moss and riccia are green, flowering plants.   True   False   7. Mushroom is a _______ plant.   non-flowering   flowering