1. Ferns have leaves, stems, and roots.   True   False   2. Mushroom is a _______.   fern   fungus   3. _______ is a closed-seeded flowering plant.   Fir   Pine   Spruce   Oak   Hint Half-n-half Clue   4. Spirogyra is _______.   an algae   a fungus   5. _______ is a naked-seeded plant.   Cedar   Guava   Maple   Sunflower   Half-n-half Clue   6. Cycas is a _______ plant.   closed-seeded   naked-seeded   7. Plum is a _______ flowering plant.   closed-seeded   naked-seeded