Plants

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Across
  1. 3. a hierarchical series of organisms each dependent on the next as a source of food.
  2. 4. take in or soak up (energy or a liquid or other substance) by chemical or physical action.
  3. 6. any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms, especially as structural components of body tissues
  4. 8. the vascular tissue in plants that conducts water and dissolved nutrients upward from the root and also helps to form the woody element in the stem.
  5. 9. a slender rib running through a leaf or bract, typically dividing or branching, and containing a vascular bundle.
  6. 10. refers to a single layer of cells on the upper surface of the leaf, which aids the. water conservation.
  7. 15. the total mass of organisms in a given area or volume.
  8. 16. 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.
  9. 18. a flattened structure of a higher plant, typically green and blade-like, that is attached to a stem directly or via a stalk.
  10. 19. power derived from the utilization of physical or chemical resources
  11. 20. the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
  12. 21. a natural oily or greasy substance occurring in animal bodies, especially when deposited as a layer under the skin or around certain organs.
  13. 22. a cultivated plant of the parsley family, with closely packed succulent leafstalks that are eaten raw or cooked.
  14. 23. each of a large number of elongated microscopic outgrowths from the outer layer of cells in a root, absorbing moisture and nutrients from the soil.
  15. 24. known as the cuticle covers the leaves of all plant species.
  16. 26. a minute portion of matter.
Down
  1. 1. any of the minute pores in the epidermis of the leaf or stem of a plant, forming a slit of variable width which allows movement of gases in and out of the intercellular spaces.
  2. 2. a green pigment, present in all green plants and in cyanobacteria, responsible for the absorption of light to provide energy for photosynthesis.
  3. 5. refers to a single layer of cells on the lower surface of the leaf that contains stomata and guard cells.
  4. 7. a substance that provides nourishment essential for growth and the maintenance of life.
  5. 11. the natural coloring matter of animal or plant tissue.
  6. 12. a mutual relationship or connection between two or more things.
  7. 13. a layer of loosely packed and irregularly shaped chlorophyll-bearing cells that fills the part of a leaf between the palisade layer and the lower epidermis
  8. 14. any of a large group of organic compounds occurring in foods and living tissues and including sugars, starch, and cellulose.
  9. 17. a layer of columnar cells rich in chloroplasts found beneath the upper epidermis of foliage leaves.
  10. 25. a solid inorganic substance of natural occurrence.