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Plant Structures Name Class Date Part I: Roots 1. What functions do the roots perform for the plant? 2. The single main root is called the… 3. The small branches that form off the main root are... 4. What are root hairs and what is their function? 5. What protects the growing tip of roots? 6. Roots that grow from the stem or leaf of a plant are… 7. A type of root system with one thick main root is… 8. A type of root system with many small roots is… Part II: Stems 9. The functions of stems are… 10. The two types of conductive tissues are… 11. The xylem transports water and minerals from the… 12. From the leaves, the phloem transports… 13. In monocots, the xylem and phloem are… 14. In dicots, the xylem and phloem are… 15. The layer of dividing cells that creates xylem and phloem is the... 16. In trees, the vascular cambium becomes… One Step Worksheets: Plant Science 31 © One Less Thing Part III: Buds 17. Undeveloped plant structures are contained in the… 18. The buds are protected and covered by… 19. At the tip of a stem is a large bud called the… 20. The primary growing point of the stem is the… 21. Buds along the sides of stems are… Part IV: Leaves 22. Leaves produce food through… 23. The protective layer of cells on the leaf is the… 24. The waxy coating prevents water loss and is the… 25. Pore-like openings that allow gas exchange are the… 26. The openings can be found on the… 27. The cells that control the opening and closing of stomata are… 28. Photosynthesis takes place in the… 29. The mesophyll is made up of two layers called the... and the 30. The xylem and phloem are found in the… One Step Worksheets: Plant Science 32 © One Less Thing Part V: Flowers 31. What is function of flowers? 32. The structures that protect the unopened flower are… 33. As a whole, the sepals together are called the… 34. The purpose of petals is to… 35. Collectively the male part of the flower is the… 36. The male part of the flower is made up of the… and the 37. The male sex cells are contained in the… produced by the 38. As a whole, the female part of the flower is the… 39. The female part of the flower is made up of three parts: purpose: purpose: purpose: 40. The part of the flower that becomes the fruit is the… 41. In order for seeds to form, what must take place? 42. Flowers that have sepals, petals, stamen, and pistil are: 43. Flowers that lack one of the four main parts are… 44. Plants with male and female flowers on the same plant are called… 45. Species with male and female flowers on separate plants are called... 46. Flowers that do not have both male and female parts on the same flower are called… One Step Worksheets: Plant Science 33 © One Less Thing
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