Plant Science

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Across
  1. 2. a stiff, sticky fine-grained earth, typically yellow, red, or bluish-gray in color and often forming an impermeable layer in the soil. It can be molded when wet, and is dried and baked to make bricks, pottery, and ceramics.
  2. 6. the main body or stalk of a plant or shrub, typically rising above ground but occasionally subterranean.
  3. 8. containing a single cotyledon
  4. 9. containing two cotyledons
  5. 11. a chemical or natural substance added to soil or land to increase its fertility.
  6. 12. the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
  7. 15. a flattened structure of a plant, typically green and blade-like, that is attached to a stem directly or via a stalk. Leaves are the main organs of photosynthesis and transpiration.
  8. 18. a loose granular substance, typically pale yellowish brown, resulting from the erosion of siliceous and other rocks.
Down
  1. 1. the process where soluble salts accumulate in soil or water, often rendering land non-arable and reducing agricultural productivity
  2. 3. the soil lying immediately under the surface soil, typically containing more clay, stones, etc. and less organic matter.
  3. 4. the top layer of soil
  4. 5. a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide.
  5. 7. the part of a plant which attaches it to the ground or to a support, typically underground, conveying water and nourishment to the rest of the plant via numerous branches and fibers.
  6. 10. fine sand, clay, or other material carried by running water and deposited as a sediment, especially in a channel or harbor.
  7. 11. a group or collective of plant leaves
  8. 13. the organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.
  9. 14. having to do with sexual reproduction between organisms
  10. 15. a fertile soil of clay and sand containing humus.
  11. 16. without sexual reproduction
  12. 17. a compact growth on a plant that develops into a leaf, flower, or shoot.