Plant Structure Review

3. The pollen-bearing structure of the stamen usually found at the top of the filament.
5. End of a root that consists of young tissues.
6. Location where a leaf attaches to the stem.
7. Absorbs water and nutrients from the soil.
10. The male reproductive part of a flower consisting of the filament and anther.
13. Modified leaf that is colorful enough to attract pollinators.
14. The enlarged base of the pistil that contains ovules.
16. Tissue that carries manufactured food (sugars) from the leaves to the rest of the plant.
17. Supports the plant and transports water and nutrients.
18. Pore openings on the leaf surface that regulate the exchange of gasses.
19. Tissue that transports water from the soil to the plant.
20. One of a pair of cells that regulate the opening and closing of the stoma.

1. The stalk that holds the anther at its tip.
2. Space between the nodes on the stem.
4. Type of root system that lacks a dominant root but is composed of many primary and secondary roots.
8. The plant organ that collects solar energy and converts it to food.
9. Waxy substance that covers the outer epidermal surface.
11. Type of root system composed of one primary root with many secondary roots branching off the primary root.
12. The reproductive organ of a flowering plant.
15. The first structure to emerge from a germinating seed.
16. The female reproductive part of a flower consisting of the stigma, style, and the ovary.