Plant Structure Unit 15

1. Manufactures food for the plant by using light energy.
5. Stems are tough and winter hardy.
6. Male part of the flower.
8. The outermost part of the root.
11. Plant that contains all four main parts of the plant.
12. The union of the pollen with the stigma.
13. Female part of the flower.
14. Thin, somewhat hairlike, and numerous.
20. The largest part of the plant.
21. Contains either male or female parts of the flower.
22. The part of the plant that is grown for its edible parts.
23. Tubes are responsible for carrying the water and nutrients that are in the soil to the upper portion of the plant.

2. The ripening seed develops in the pistil, then enlarges.
3. The production of seeds needed to continue the species.
4. Stems are succulent, often green, and will not survive winter in cold climates.
7. Support the leaves, flowers, and fruit.
9. Reaction of a plant to light.
10. Contains both male and female parts of the flower.
12. The basic part of the food chain.
15. Plant that is missing one or more parts of the plant.
16. A plant used to improve the appearance of a structure or area.
17. Tubes that function as the pipeline to carry the manufactured food down from the leaves to other plant parts.
18. The main root of a plant and generally grows straight down from the stem.
19. Attract insects or other natural pollinators.