2.3 Vocabulary Menu

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Across
  1. 3. cycle the circulation of carbon atoms in the biosphere as a result of photosynthetic conversion of carbon dioxide into complex organic compounds by plants, which are consumed by other organisms: the carbon returns to the atmosphere in the form of carbon dioxide as a result of respiration, decay by fungi, bacteria, etc., and combustion of fossil fuels
  2. 6. cycle the circulation of the earth's water, in which water evaporates from the sea into the atmosphere, where it condenses and falls as rain or snow, returning to the sea by rivers or returning to the atmosphere by evapotranspiration
  3. 7. nitrogen returning to the environment though bacteria
  4. 9. anything that has mass and takes up space
  5. 10. organisms take in nutrient for building their tissues
  6. 11. cycle the continuous sequence of events by which atmospheric nitrogen and nitrogenous compounds in the soil are converted, as by nitrification and nitrogen fixation, into substances that can be utilized by green plants, the substances returning to the air and soil as a result of the decay of the plants and denitrification
Down
  1. 1. the act or process of decomposing
  2. 2. Cycle Cycles that involve living organisms (bio), Geological processes (geo) and chemical processes (chemical)
  3. 4. the passage of water through a plant from the roots through the vascular system to the atmosphere
  4. 5. providing nourishment or nutriment
  5. 8. characterized by an abundant accumulation of nutrients that support a dense growth of algae and other organisms, the decay of which depletes the shallow waters of oxygen in summer