1. Compare and contrast the functions of the plant hormones auxin, ethylene, cytokinin, and gibberellin.
2. Describe how water is pulled from the roots to the leaves of plants, including which parts of the plant are involved.
3. Describe the functions of guard cells.

Which statement correctly compares metaphase i and metaphase ii? in metaphase ii twice as many chromosomes line up along the middle of the cell as in metaphase i. in metaphase i twice as many chromosomes line up along the middle of the cell as in metaphase ii. in metaphase ii twice as many chromosomes are pulled to opposite ends of the cell as in metaphase i. in metaphase i twice as many chromosomes are pulled to opposite ends of the cell as in metaphase ii.