Biology 3 3

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Biology 3 3

  1. 1. Cycles of Matter 3.3<br />
  2. 2. Biogeochemical Cycle<br />Process in which elements, chemical compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere to another.<br />
  3. 3. Evaporation<br />Process by which water changes from a liquid into an atmospheric gas.<br />
  4. 4. Transpiration <br />Loss of water from a plant through its leaves.<br />
  5. 5. Nutrient<br />Chemical substances that an organism requires to live.<br />
  6. 6. Nitrogen Fixation <br />Process of converting nitrogen gas into ammonia.<br />
  7. 7. Denitrification<br />Conversion of nitrates into nitrogen gas.<br />
  8. 8. Primary Productivity <br />Rate at which organic matter is created by producers in an ecosystem.<br />
  9. 9. Limiting Nutrient <br />Single nutrient that either is scarce or cycles very slowly, limiting the growth of organisms in an ecosystem.<br />
  10. 10. Algal Bloom<br />An immediate increase in the amount of algae and other producers that from a large input of a limiting nutrient.<br />
  11. 11. Key Concept<br />How does matter move among the living and nonliving parts of an ecosystem?<br />Unlike the one-way flow of energy, matter is recycled within and between ecosystems.<br />
  12. 12. Key Concept<br />How are nutrients important in living systems?<br />Every living organism needs nutrients to build tissues and carry out essential life functions. Like water, nutrients are passed between organisms and the environment through biogeochemical cycles.<br />

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