Reference no: EM132560962

1. Name the major types of specialized tissues found in vascular plants (vascular tissues and other tissues). Explain their function(s), including the contributions of any special types of cells.

2. Give examples of meristematic tissues and explain their roles in primary growth and secondary growth in vascular plants.

3. Discuss mutualism in plant nutrition. In your essay, be sure to include explanations of how mycorrhizae, rhizobacteria, and nodules contribute to plant growth.

4. What is the evolutionary advantage of double fertilization? Why did it develop along with the evolution of the seed?

5. Much has been learned over the years about plant hormones and much will continue to be discovered as we get better at detecting, analyzing, and experimenting with these chemicals found in extremely tiny amounts.

Discuss the following plant hormones:

a. Explain the economic significance of ethylene gas in agriculture in terms of ripening and rotting. Give an example from your personal experience at home with grocery store produce of how you can use ethylene to your advantage to promote ripening or how you can slow the effects of ethylene in order to prevent rotting.

b. Which hormone(s) is/are responsible for the ability of sunflowers to turn their flowers to track the sun throughout the day? Explain how these hormones work.

c. Which hormone(s) is/are responsible for the falling of leaves from deciduous trees in Autumn? Explain how these hormones work.

d. In order to propagate cuttings from mature stems or leaves, gardeners often dip the plant cuttings in rooting hormones. Explain why.