Plants Crossword

3. a thing, such as a row of trees or a fence, wall, or screen, that provides shelter or protection from the wind
4. the biological process by which a dormant seed, spore, or reproductive body resumes metabolic activity and develops into a new seedling or organism
6. a flowering plant with an embryo that bears two cotyledons
9. the organic component of soil formed by the decomposition of leaves and other plant material by soil microorganisms
12. a fine grained sediment consisting of rock and mineral particles
14. A large strengthened vein along the midline of a leaf
15. The process where soluble salts, such as sodium chloride, accumulate in soil or water to levels that impair plant growth, degrade land, and pollute water sources
18. A flowering plant with an embryo that bears a single cotyledon
20. a biological process in plants that convert light energy into chemical energy using water and carbon dioxide

1. The process of wearing or being worn by long exposure to the atmosphere
2. the soil lying immediately under the surface soil typically containing more clay, stones, etc
5. the process of transitioning a molecule, cell, or gene from an inactive state to an active, functional state, often triggered by environmental cues, signaling pathways, or energy input
7. A compact growth on a plant that develops into a leaf, flower, or shoot
8. A method of procedure that has characterized natural science since the 17th century
10. A loose granular substance, typically pale yellowish brown, resulting from the erosion of siliceous and other rocks
11. Plant leaves collectively
13. the relative proportions of mineral particles that make up a soil
16. single parent reproducing identical offspring
17. a fertile soil of clay and sand containing humus
19. A regulatory substance produced in an organism and transported in tissue fluids such as blood or sap to stimulate specific cells or tissues into action