Unit 16 – Plant Physiology

1. nutrient calcium, magnesium, and sulfur
3. nutrient nitrogen, phosphorous and potassium
4. spaces between soil particles through which plant roots penetrate, and in which air, water, and nutrients are stored.
7. yellowing of a leaf.
8. simple sugar and the building blocks for other nutrients.
11. atom or a group of atoms that have an electric charge.
12. membrane membrane that permits a solution to move through it.
15. swollen or stiff condition as a result of being filled with liquid.
17. ions that are positively charged.
18. nutrition provision of elements to plants.
19. elements used in relatively large quantities, includes primary and secondary nutrients
20. ions that are negatively charged.

2. green pigment in leaves.
5. process by which a plant loses water vapor.
6. intensity brightness of light.
9. study of the functions and vital processes of living creatures and their organs.
10. movement of materials through a semi-permeable membrane.
13. pH of more than 7.0.
14. elements used in very small quantities.
16. a process in which energy and carbon dioxide are released due to digestion or the breakdown of plant tissues during periods of darkness.
18. a chemical action that results in the dropout of solids in a solution.
20. pH of less than 7.0.