Unit 4: Plant Science

3. The embryo is a tiny plant that is
5. The process of water movement through the xylem resulting from the loss of water vapor through the stomata in the leaves is called...
7. Type of dormancy where the seed coat prevents germination
8. Too much will drown the seed
10. The first leaves of a plant
14. The cells that surround stomata to regulate evaporation, increase pressure to open and decrease pressure to close and are known as...
15. Protects the seed
17. The plant process of the embryo emerging from the seed is
18. The physical weakening of the seed coat

1. Tiny pores present on the bottom of leaves that regulate the release of water vapor and absorption of carbon dioxide are called...
2. A solvent (like water) moving through a semipermeable membrane into a high concentration solution to equalize both sides is called...
4. Cold temperatures or moisture triggered germination
6. Movement of water, nutrients, and hormones around the plant through the vascular plant tissues is called...
9. This part feeds the tiny plant until it can create food for itself
11. Seeds must contain healthy ____________ tissue in order to germinate
12. Duration of light in a 24 Hour period
13. Adhesion of water to the walls of a vessel causing an upward force on the liquid at the edges is known as...
16. When plant hormones prevent germination