Info

^^ Clean up your materials before leaving the lab.

Analysis and Conclusions

1. In the dicot root that you observed, where are phloem and xylem located?

2. Where are the xylem and phloem found in the nonwoody stem that you observed?

3. How are the vascular bundles different in the monocot and dicot stems that you observed?

4. How are the root cap cells different from the root tip meristematic cells?

5. What is the function of the root hairs?

6. How do the arrangements of xylem and phloem differ in roots, stems, and leaves?

7. What is the function of a stoma?

8. What is the function of the air space in the mesophyll of the leaf?

9. Which leaf structures help to conserve water?

10. Which tissues of the leaf are continuous with the stem and root tissues? How is this functional?

11. Look at the various tissues found in your drawings of roots, stems, and leaves. Classify each tissue as either dermal tissue, ground tissue, or vascular tissue.

Further Inquiry

The parts of a flower are actually modified stems and leaves. Design—but do not carry out—a procedure for dissecting a flower. Include a diagram of the parts of the flower to be viewed. Use references from the library to determine which kinds of flowers are best for dissection.

Syringa leaf (S30X)

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