Flowing-Water Ecosytem

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Across
  1. 2. an area classified according to the species that live in that location.
  2. 4. tiny aquatic organisms which are free floating or weakly swimming.
  3. 7. a group of organisms that can reproduce with one another in nature and produce fertile offspring
  4. 10. an animal or person that eats food of both plant and animal origin.
  5. 11. degree of hotness or coldness measured by a thermometer with a numerical scale
  6. 13. h2o
  7. 14. the action or fact of moving along in a steady, continuous stream.
Down
  1. 1. tiny aquatic organisms which are free floating or weakly swimming.
  2. 2. made up of the parts of Earth where life exists
  3. 3. a sum total of all the living and non-living elements and their effects that influence human life.
  4. 5. an animal that feeds on plants.
  5. 6. a mixture of gases that surrounds the Earth.
  6. 8. an area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life
  7. 9. the weather conditions prevailing in an area in general or over a long period.
  8. 12. a modification of an organism or its parts that makes it more fit for existence